US airport delays

What is disrupted right now, from the FAA's live status feed, and how often flights actually ran late, from the Department of Transportation's flight-by-flight records, which arrive about two to three months after the month ends. Back to World Pulse.

Live now — FAA · checked 20:00 UTC

MCO · Departure delays
31 minutes to 45 minutes, increasing · RWY:Maintenance
since 11-07 18:15 UTC (first seen)
BOS · Ground delay program
avg 148 min, max 399 min · runway construction
since 11-07 13:00 UTC (first seen)
LGA · Ground stop
· wind
since 11-07 19:30 UTC (first seen)
4 closure / restriction notices (mostly NOTAMs limiting some aircraft)
SNAClosure!SNA 11/003 SNA AD AP CLSD DLY 0730-1415 2611030730-2611081415
LASRestricted (NOTAM)!LAS 10/160 LAS AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC 24HR PPR 702-261-7775 2610281926-2701272300
LAXRestricted (NOTAM)!LAX 05/277 LAX AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC 24HR PPR CTC ATLANTIC AVIATION 310-258-9884 OR SIGNATURE AVIATION 310-410-9605 2605271826-2705281600
SANRestricted (NOTAM)!SAN 10/004 SAN AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC PPR 619-298-7704 2610011633-2701010800
Month Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025 Sep 2025 Aug 2025 Measure Departures Arrivals
15%45%+ of departures 15+ min late dot size = flights · ring = FAA program live now

Nationally, December 2024

21.6%
of 586,430 departures ran 15+ min late · usual for December: 20.6% · 0.7% cancelled
Last 37 months · dashed = usual for that month (median of up to 5 earlier years, 2020 left out)
Where late-arrival minutes came from
Late aircraft 40%
Airline 34%
Air traffic 18%
Weather 7%
Security 0%

Airports, December 2024 (departures)

AirportCityFlightsLate 15+ vs usual CancelledAvg minMain cause
ATL Atlanta, GA 29,014 22.7% +6.3 0.2% 15 Airline
DEN Denver, CO 25,905 18.3% -3.2 0.3% 12 Late aircraft
DFW Dallas/Fort Worth, TX 25,814 26.6% +6.9 2.1% 23 Late aircraft
ORD Chicago, IL 22,668 21.9% +2.5 0.6% 17 Late aircraft
CLT Charlotte, NC 17,832 24.7% +6.3 0.3% 17 Late aircraft
PHX Phoenix, AZ 17,342 19.0% -3.3 0.3% 13 Late aircraft
LAX Los Angeles, CA 16,495 18.0% -5.4 0.4% 13 Airline
LAS Las Vegas, NV 15,581 19.8% -3.1 0.4% 13 Late aircraft
MCO Orlando, FL 13,621 23.3% -0.4 0.4% 17 Late aircraft
LGA New York, NY 13,005 22.0% +2.6 0.3% 16 Late aircraft
SEA Seattle, WA 12,596 20.4% -2.2 0.5% 12 Airline
SFO San Francisco, CA 12,097 22.5% -3.1 0.7% 17 Late aircraft
BOS Boston, MA 11,778 23.6% +4.8 1.4% 18 Late aircraft
DCA Washington, DC 11,346 24.3% +5.7 0.8% 19 Late aircraft
DTW Detroit, MI 11,098 22.5% +6.1 0.5% 17 Airline
EWR Newark, NJ 10,865 25.4% -6.2 0.7% 18 Late aircraft
MSP Minneapolis, MN 10,471 20.0% +1.7 0.6% 16 Airline
JFK New York, NY 10,268 24.4% +3.2 0.5% 18 Late aircraft
MIA Miami, FL 9,937 26.1% +3.0 0.5% 18 Late aircraft
IAH Houston, TX 9,572 24.3% +5.2 1.2% 20 Airline
SLC Salt Lake City, UT 9,496 17.2% +0.8 0.3% 13 Airline
FLL Fort Lauderdale, FL 8,219 27.4% +1.6 0.5% 19 Late aircraft
SAN San Diego, CA 8,075 27.0% +5.7 2.6% 26 Late aircraft
BNA Nashville, TN 8,071 20.7% +0.7 0.4% 14 Late aircraft
BWI Baltimore, MD 7,908 26.9% -3.2 0.3% 15 Late aircraft
PHL Philadelphia, PA 7,464 22.6% +4.9 0.5% 18 Late aircraft
AUS Austin, TX 6,932 22.0% +4.5 0.4% 17 Late aircraft
TPA Tampa, FL 6,803 23.2% +3.7 0.4% 16 Late aircraft
DAL Dallas, TX 6,228 28.6% +2.7 0.7% 23 Late aircraft
MDW Chicago, IL 5,949 24.6% -5.7 0.5% 14 Late aircraft
STL St. Louis, MO 5,384 22.4% -0.6 0.4% 15 Late aircraft
HNL Honolulu, HI 5,276 13.6% +0.3 0.5% 8 Airline
PDX Portland, OR 5,065 17.5% +0.8 0.3% 12 Late aircraft
RDU Raleigh/Durham, NC 5,010 19.1% -0.9 0.4% 13 Late aircraft
HOU Houston, TX 4,633 23.8% -6.7 0.5% 17 Late aircraft
SMF Sacramento, CA 4,534 22.0% +1.0 0.9% 16 Airline
IAD Washington, DC 4,479 19.5% +2.7 0.3% 15 Late aircraft
MSY New Orleans, LA 4,205 21.7% -2.8 0.5% 16 Late aircraft
SJC San Jose, CA 4,154 17.8% -3.4 0.9% 12 Late aircraft
MCI Kansas City, MO 3,962 18.1% +1.6 0.4% 12 Late aircraft
IND Indianapolis, IN 3,924 17.0% -0.1 0.3% 13 Late aircraft
SNA Santa Ana, CA 3,649 19.6% -0.9 0.9% 19 Late aircraft
RSW Fort Myers, FL 3,548 23.6% +3.9 1.3% 22 Late aircraft
CMH Columbus, OH 3,528 18.7% +3.4 0.2% 13 Airline
SJU San Juan, PR 3,517 25.1% +0.1 0.4% 19 Late aircraft
SAT San Antonio, TX 3,451 18.3% +2.6 0.6% 15 Late aircraft
PIT Pittsburgh, PA 3,392 18.7% +3.8 0.6% 14 Air traffic
CLE Cleveland, OH 3,219 20.4% +2.7 0.6% 14 Late aircraft
CVG Cincinnati, OH 3,206 19.7% +2.9 0.7% 17 Late aircraft
OAK Oakland, CA 3,179 22.0% -10.0 0.8% 13 Late aircraft
PBI West Palm Beach/Palm Beach, FL 2,966 29.9% +6.2 0.7% 25 Late aircraft
BUR Burbank, CA 2,761 20.3% -7.4 0.6% 13 Late aircraft
JAX Jacksonville, FL 2,610 20.5% +3.8 0.7% 15 Late aircraft
OGG Kahului, HI 2,292 11.2% -1.3 0.3% 7 Airline
MKE Milwaukee, WI 2,205 20.0% +3.0 0.4% 17 Airline
ONT Ontario, CA 2,116 15.4% -6.0 0.3% 12 Late aircraft
ABQ Albuquerque, NM 2,016 15.6% -5.4 0.5% 11 Late aircraft
OMA Omaha, NE 1,993 18.1% +2.1 0.5% 14 Airline
BOI Boise, ID 1,971 17.6% +1.7 0.9% 13 Late aircraft
CHS Charleston, SC 1,945 19.3% +4.4 0.6% 15 Late aircraft
BDL Hartford, CT 1,903 20.3% +0.0 0.4% 15 Late aircraft
OKC Oklahoma City, OK 1,888 15.0% -2.3 0.5% 12 Airline
TUS Tucson, AZ 1,874 15.5% -1.1 0.6% 15 Airline
SDF Louisville, KY 1,811 16.6% -0.7 0.4% 14 Airline
MEM Memphis, TN 1,773 18.4% +0.3 0.5% 15 Late aircraft
RNO Reno, NV 1,773 17.5% -0.7 0.7% 12 Late aircraft
BUF Buffalo, NY 1,735 23.9% +6.5 0.6% 20 Late aircraft
ORF Norfolk, VA 1,728 20.4% +3.4 0.6% 17 Airline
GRR Grand Rapids, MI 1,619 19.8% -0.3 0.6% 19 Airline
SAV Savannah, GA 1,600 22.9% +4.8 0.8% 19 Late aircraft
SRQ Sarasota/Bradenton, FL 1,563 22.6% +0.6 1.3% 24 Late aircraft
ELP El Paso, TX 1,548 17.2% -3.4 0.9% 15 Late aircraft
RIC Richmond, VA 1,523 22.6% +3.2 0.6% 14 Late aircraft
LGB Long Beach, CA 1,494 21.8% +0.8 1.1% 16 Late aircraft
TUL Tulsa, OK 1,468 17.2% +2.9 0.8% 19 Airline
GEG Spokane, WA 1,467 17.7% +2.2 0.1% 13 Airline
BHM Birmingham, AL 1,459 20.7% +1.3 0.5% 19 Late aircraft
PSP Palm Springs, CA 1,399 15.7% -6.5 0.5% 13 Airline
KOA Kona, HI 1,391 11.4% -1.2 0.5% 7 Late aircraft
TYS Knoxville, TN 1,388 19.6% +4.6 0.5% 16 Late aircraft
LIH Lihue, HI 1,363 10.7% +0.5 0.3% 7 Late aircraft
GSP Greer, SC 1,342 19.4% +2.8 0.7% 15 Airline
PVD Providence, RI 1,304 17.4% -1.6 0.2% 15 Airline
XNA Fayetteville, AR 1,289 18.2% +1.5 0.3% 16 Late aircraft
DSM Des Moines, IA 1,271 19.9% +4.5 0.4% 21 Airline
ANC Anchorage, AK 1,164 14.6% -3.0 0.7% 10 Late aircraft
COS Colorado Springs, CO 1,051 16.3% -1.2 0.5% 12 Late aircraft
SYR Syracuse, NY 1,044 22.6% +5.4 0.3% 17 Airline
FAT Fresno, CA 1,043 27.5% +9.1 0.9% 24 Weather
HPN White Plains, NY 1,019 28.0% +5.2 1.6% 26 Late aircraft
PNS Pensacola, FL 1,004 21.0% +5.4 0.4% 19 Late aircraft
91 airports with 1,000+ flights this month, busiest first. Click a header to sort.

Airlines — arrivals 15+ min late

AirlineFlightsLateCanc.
Hawaiian6,69915.9%0.5%
Republic27,27918.4%0.6%
United64,03018.8%0.5%
Southwest116,27619.5%0.5%
Endeavor17,35119.5%0.4%
Delta83,28319.6%0.1%
Envoy22,58420.1%1.3%
SkyWest66,60121.7%1.3%
Alaska20,02721.8%0.6%
Spirit18,66222.4%0.5%
American77,73722.7%1.0%
Frontier17,29424.3%0.6%
Allegiant11,08426.7%1.4%
PSA20,90327.4%1.1%
JetBlue20,77130.7%1.1%
Regional airlines (SkyWest, Envoy, Republic, PSA…) fly under the big brands' names.

Worst days this month

DateAirportLateCanc.
12-20SAN 91%29%
12-24DFW 86%17%
12-29DAL 80%4%
12-28IAH 74%20%
12-21BOS 71%13%
12-26DAL 72%7%
12-21SAN 69%12%
12-28HOU 71%1%
12-28DAL 69%5%
12-26DFW 59%28%
Ranked by share of flights late or cancelled; airports with 150+ flights that day.

FAA programs and delays, last 7 days

AirportWhatStarted (UTC)HoursPeak avgReason
LGAGround stop 11-07 19:30 0.5+ — wind
BOSGround stop 11-07 19:15 0.5 — runway construction
MCODeparture delays 11-07 18:15 1.8+ 31 min RWY:Maintenance
MIADeparture delays 11-07 18:00 0.5 16 min RWY:Construction
BOSDeparture delays 11-07 14:00 4.2 61 min RWY:Construction
BOSGround delay program 11-07 13:00 7.0+ 148 min runway construction
SEAGround delay program 11-07 01:30 4.0 51 min other
LGAGround stop 11-07 00:45 1.0 — airport volume
PHLDeparture delays 11-07 00:30 1.7 31 min TM Initiatives:SWAP:WX
SEADeparture delays 11-07 00:30 1.2 16 min RWY:Construction
JFKDeparture delays 11-07 00:15 1.8 16 min TM Initiatives:SWAP:WX
MCODeparture delays 11-07 00:15 0.3 16 min RWY:CLSD EQUIP OUTAGE
LASDeparture delays 11-06 23:45 2.3 16 min VOL:Volume
SANDeparture delays 11-06 23:15 1.5 31 min VOL:Compacted Demand
SEADeparture delays 11-06 21:30 0.5 16 min RWY:Construction
HPNGround stop 11-06 21:00 1.0 — thunderstorms
SANDeparture delays 11-06 20:30 2.2 16 min VOL:Compacted Demand
OPFDeparture delays 11-06 20:15 0.2 16 min VOL:Compacted Demand
EWRGround stop 11-06 19:00 2.0 — thunderstorms
BFIGround stop 11-06 19:00 0.7 — other
SANDeparture delays 11-06 19:00 0.2 16 min VOL:Volume
BFIGround delay program 11-06 18:30 6.5 258 min other
PHXDeparture delays 11-06 17:30 0.5 16 min VOL:Multi-taxi
EWRGround delay program 11-06 17:15 11.0 156 min thunderstorms
BOSGround stop 11-06 16:45 2.0 — thunderstorms
BOSDeparture delays 11-06 16:45 2.5 46 min WX:Thunderstorms
OPFDeparture delays 11-06 16:45 0.2 16 min TM Initiatives:MINIT:VOL
LGAGround stop 11-06 16:30 5.5 — thunderstorms
JFKGround stop 11-06 16:15 3.2 — thunderstorms
EWRGround stop 11-06 16:00 1.2 — thunderstorms
DCADeparture delays 11-06 16:00 5.5 136 min TM Initiatives:SWAP:WX
MIADeparture delays 11-06 16:00 0.5 31 min TM INITIATIVES:OTHER:CFR
ORDDeparture delays 11-06 15:45 0.5 16 min VOL:Multi-taxi
BOSGround delay program 11-06 15:30 8.5 144 min thunderstorms
SANGround delay program 11-06 15:00 12.7 26 min airport volume
SANDeparture delays 11-06 15:00 3.0 16 min VOL:Volume
DALDeparture delays 11-06 14:15 0.2 16 min VOL:Volume
BWIDeparture delays 11-06 14:00 6.5 136 min TM Initiatives:SWAP:WX
ORDDeparture delays 11-06 14:00 0.2 31 min VOL:Multi-taxi
PHLDeparture delays 11-06 14:00 7.7 241 min TM Initiatives:SWAP:WX
EWRGround stop 11-06 13:45 1.5 — thunderstorms
OPFDeparture delays 11-06 13:45 0.2 16 min VOL:Compacted Demand
LGAGround delay program 11-06 13:15 12.5 174 min thunderstorms
TEBDeparture delays 11-06 13:00 12.2 361 min TM Initiatives:SWAP:WX
DCADeparture delays 11-06 12:45 0.8 61 min WX:Thunderstorms
EWRDeparture delays 11-06 12:45 10.0 211 min TM Initiatives:SWAP:WX
JFKDeparture delays 11-06 12:30 10.0 136 min TM Initiatives:SWAP:WX
LGAGround stop 11-06 12:00 1.2 — thunderstorms
LGADeparture delays 11-06 11:45 12.5 166 min TM Initiatives:SWAP:WX
TEBDeparture delays 11-06 11:45 0.7 31 min TM Initiatives:SWAP:WX
JFKGround stop 11-06 11:15 4.8 — thunderstorms
BOSGround stop 11-05 23:30 0.8 — airspace volume
BFIGround delay program 11-05 22:15 6.8 161 min other
BFIGround stop 11-05 21:30 0.8 — other
SANDeparture delays 11-05 21:15 0.8 16 min VOL:Compacted Demand
BFIDeparture delays 11-05 21:00 3.0 16 min OTHER: TEMP TOWER OPS
SANDeparture delays 11-05 20:00 0.2 16 min VOL:Compacted Demand
HOUGround stop 11-05 19:45 0.2 — aircraft emergency
BFIGround stop 11-05 19:30 0.5 — other
DALDeparture delays 11-05 19:15 0.2 16 min VOL:Volume
OPFDeparture delays 11-05 18:45 0.5 16 min VOL:Compacted Demand
SEADeparture delays 11-05 17:15 0.2 16 min RWY:Construction
BFIGround stop 11-05 16:30 1.0 — airport volume
EWRDeparture delays 11-05 14:30 1.5 31 min TM Initiatives:MINIT:VOL
SANGround delay program 11-05 14:15 13.5 38 min airport volume
LGADeparture delays 11-05 14:15 1.8 16 min TM Initiatives:MINIT:WX
PHLDeparture delays 11-05 14:15 1.8 16 min TM Initiatives:MIT:VOL
TEBDeparture delays 11-05 14:15 7.5 76 min TM Initiatives:Metering:VOL
MIADeparture delays 11-05 02:15 0.2 16 min VOL:Multi-taxi
SANDeparture delays 11-05 01:45 3.0 31 min VOL:Compacted Demand
ATLGround stop 11-04 22:45 0.7 — thunderstorms
DALDeparture delays 11-04 22:45 2.5 16 min VOL:Volume
LGADeparture delays 11-04 22:15 0.7 31 min TM Initiatives:MINIT:VOL
SANDeparture delays 11-04 21:45 2.3 16 min VOL:Volume
OPFDeparture delays 11-04 19:30 0.2 16 min WX:Thunderstorms
MIADeparture delays 11-04 18:45 0.3 15 min WX:Thunderstorms
MIADeparture delays 11-04 16:15 2.2 46 min WX:Thunderstorms
ATLGround stop 11-04 16:00 2.0 — thunderstorms
ATLDeparture delays 11-04 16:00 2.5 46 min WX:Thunderstorms
SANGround delay program 11-04 14:45 6.5 37 min airport volume
FLLDeparture delays 11-04 02:15 10.0 46 min TM Initiatives:MIT:WX
MIADeparture delays 11-04 01:30 10.7 31 min TM Initiatives:MIT:WX
FLLDeparture delays 11-04 00:45 1.0 46 min TM Initiatives:MIT:WX
TEBDeparture delays 11-03 21:30 2.8 31 min STAFF:Staffing
SFODeparture delays 11-03 19:30 2.8 16 min WX:Wind
IAHDeparture delays 11-03 18:45 8.8 76 min WX:Thunderstorms
HOUGround stop 11-03 18:30 1.0 — thunderstorms
IAHGround stop 11-03 18:30 1.0 — thunderstorms
SANDeparture delays 11-03 18:00 0.2 16 min VOL:Compacted Demand
EWRDeparture delays 11-03 17:30 0.2 31 min STAFF:Staffing
PHXDeparture delays 11-03 17:30 0.5 16 min VOL:Multi-taxi
MIADeparture delays 11-03 17:00 2.2 16 min RWY:Construction
SFOGround stop 11-03 16:45 0.7 — wind
IAHDeparture delays 11-03 16:45 1.0 31 min WX:Thunderstorms
MCODeparture delays 11-03 16:45 0.5 16 min TM Initiatives:MIT:WX
TEBDeparture delays 11-03 15:30 2.5 46 min STAFF:Staffing
EWRDeparture delays 11-03 15:00 2.2 16 min STAFF:Staffing
SFOGround delay program 11-03 14:15 14.5 114 min wind
MIADeparture delays 11-03 14:00 0.7 16 min WX:Thunderstorms
DALDeparture delays 11-03 03:30 5.0 46 min WX:Thunderstorms
SANDeparture delays 11-03 03:30 1.5 16 min VOL:Compacted Demand
FLLGround stop 11-03 02:30 1.2 — thunderstorms
MIAGround delay program 11-03 00:00 4.0 146 min thunderstorms
MIADeparture delays 11-03 00:00 3.2 91 min TM Initiatives:MIT:WX
SANDeparture delays 11-02 22:30 4.8 16 min VOL:Compacted Demand
LGAGround stop 11-02 21:30 0.7 — airspace volume
ORDDeparture delays 11-02 21:15 1.8 15 min WX:Low Ceilings
FLLGround stop 11-02 21:00 3.2 — thunderstorms
ASEArrival delays 11-02 21:00 3.2 16 min ASE / WX:Low Ceilings
DJTDeparture delays 11-02 21:00 3.2 61 min WX:Thunderstorms
MIAGround stop 11-02 20:30 3.5 — thunderstorms
PHXDeparture delays 11-02 19:00 0.2 16 min VOL:Multi-taxi
DJTGround stop 11-02 18:45 1.8 — thunderstorms
FLLGround delay program 11-02 18:45 9.8 133 min thunderstorms
MIAGround stop 11-02 18:30 1.5 — thunderstorms
ORDDeparture delays 11-02 18:30 0.2 16 min WX:Low Ceilings
FLLGround stop 11-02 18:00 0.8 — thunderstorms
FMYDeparture delays 11-02 18:00 6.3 61 min WX:Thunderstorms
PHXDeparture delays 11-02 17:30 0.5 16 min VOL:Multi-taxi
SEADeparture delays 11-02 16:15 3.5 31 min WX:Fog
APFDeparture delays 11-02 16:00 8.2 121 min WX:Thunderstorms
MIAGround stop 11-02 14:15 2.5 — thunderstorms
FLLGround stop 11-02 14:15 2.8 — thunderstorms
DJTGround stop 11-02 14:15 2.8 — thunderstorms
SANGround delay program 11-02 13:45 12.0 29 min airport volume
TEBDeparture delays 11-02 13:45 4.2 46 min OTHER: INDIVIDUAL RELEASE
OPFDeparture delays 11-02 13:30 9.7 16 min TM Initiatives:MINIT:WX
RSWDeparture delays 11-02 13:15 11.0 91 min WX:Thunderstorms
FLLDeparture delays 11-02 13:00 14.3 166 min TM Initiatives:MIT:WX
MIADeparture delays 11-02 13:00 6.8 106 min TM Initiatives:MIT:WX
SFOGround delay program 11-02 03:00 1.2 62 min other
SFOGround stop 11-02 02:30 0.5 — STAFFING
MCODeparture delays 11-02 02:15 3.0 31 min WX:Thunderstorms
MCODeparture delays 11-02 00:30 1.5 31 min TM Initiatives:MIT:WX
LASDeparture delays 11-01 23:30 0.5 16 min WX:Thunderstorms
DCADeparture delays 11-01 23:15 0.5 16 min TM Initiatives:ESP:VOL
LASGround delay program 11-01 23:00 2.7 49 min wind
DJTGround stop 11-01 21:45 2.3 — thunderstorms
LASGround stop 11-01 21:30 1.5 — wind
YEGGround stop 11-01 21:30 7.5 — fog
SANDeparture delays 11-01 21:15 1.8 16 min VOL:Compacted Demand
DJTDeparture delays 11-01 20:30 5.5 76 min WX:Thunderstorms
MCODeparture delays 11-01 20:30 3.7 31 min TM Initiatives:MIT:WX
MIADeparture delays 11-01 19:45 9.5 76 min TM Initiatives:MIT:WX
PHXDeparture delays 11-01 19:30 3.5 31 min RWY:Rwy Change - Operational Necessity
PHXGround stop 11-01 19:15 1.3 — wind
RSWDeparture delays 11-01 18:15 6.0 16 min WX:Thunderstorms
ORDDeparture delays 11-01 17:30 1.0 16 min VOL:Volume
PHXDeparture delays 11-01 17:30 1.2 16 min WX:Low Ceilings
YEGGround stop 11-01 17:15 2.0 — fog
PHXGround stop 11-01 17:00 0.7 — low ceilings
LASDeparture delays 11-01 17:00 6.2 16 min WX:Thunderstorms
FLLGround delay program 11-01 16:45 6.5 56 min thunderstorms
LASDeparture delays 11-01 16:00 0.2 16 min WX:Wind
FLLGround stop 11-01 15:30 1.2 — THUNDERSTORMS
PHLDeparture delays 11-01 15:00 0.5 31 min TM Initiatives:MIT:STAFFING
FLLDeparture delays 11-01 13:45 15.5 151 min TM Initiatives:MIT:WX
MIADeparture delays 11-01 13:45 4.5 31 min TM Initiatives:MIT:WX
DFWDeparture delays 11-01 13:30 7.3 61 min WX:Low Visibility
DFWGround stop 11-01 13:00 1.0 — LOW
LASDeparture delays 10-31 21:15 0.2 16 min VOL:Compacted Demand

Most disrupted, last 30 days (FAA)

AirportGSGDPDelayHours
SAN41827232
LAS10926115
LGA9223106
BOS7713100
MIA313897
TEB312591
SFO510783
FLL521073
EWR741069
YUL011060
PHX442548
AUS37043
DCA51739
PHL111033
SEA212331
Recording since 2026-10-14. The FAA keeps no public history, so this is only what we have polled (every 15 minutes).
Sources. Delay rates: US DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (public domain). It covers domestic flights on airlines with at least 0.5% of US domestic passenger revenue, about 600,000 flights a month; smaller carriers and international flights are not in it. Live status: FAA Air Traffic Control System Command Center, NAS Status (public domain). Airport locations: OurAirports (public domain).
Definitions. Late means 15+ minutes after schedule, out of flights that operated. Causes are reported by airlines for arrivals 15+ minutes late. "Late aircraft" is the knock-on from an earlier delay to the same plane, so it says nothing about where the trouble started. "Air traffic" (the NAS category) covers airport capacity, traffic volume and non-extreme weather. "Usual" is the median of the same month in up to five earlier years, with 2020 left out; it appears once two earlier years exist.