Most Delayed US Airports Right Now — Live Rankings (2026)
Live delay-risk scores for 22 guide airports, updated every hour from weather, FAA ground programs, and traffic. Airport pages add delay rates by airline, time of day, and month, plus a prediction for your flight. These guides are ranked against each other. Predictions also cover airports that do not have a full guide.
US flight delay rate: 21.2% of domestic flights arrived 15 or more minutes late (BTS, January 2023 to December 2025). Cancellation rate: 1.41% of scheduled flights (BTS, 2024 to 2025).
US Airport Delay Risk — Live Leaderboard
Risk % is DelayGuard's estimate for this hour. It is not the historical delay rate (15+ min late) from the Bureau of Transportation Statistics (BTS).
Updated every hour from live weather and FAA programs. On a calm day the score stays at that airport's usual baseline, so it can still rank high.
Historical delay rate (15+ min late) by airport
Percentage of departures that arrived 15+ minutes late, from the Bureau of Transportation Statistics (BTS). Window: January 2023 to December 2025. US: 21.23%. Last updated: 2026-10-18. Top 15 of 22 shown.
All 22 airport delay guides, ranked by historical delay rate
Fort Lauderdale-Hollywood International Airport
Fort Lauderdale, FL · Largest carrier in this window: Spirit Airlines 26.3% (ceased 2 May 2026) · 264,272 flights
27.34%
Miami International Airport
Miami, FL · Largest carrier in this window: American Airlines 54.3% · 319,024 flights
27.03%
Dallas/Fort Worth International Airport
Dallas, TX · Largest carrier in this window: American Airlines 53.8% · 893,078 flights
26.66%
Orlando International Airport
Orlando, FL · Largest carrier in this window: Southwest Airlines 27.8% · 476,054 flights
25.9%
Charlotte Douglas International Airport
Charlotte, NC · Largest carrier in this window: American Airlines 59.6% · 598,576 flights
24.91%
Denver International Airport
Denver, CO · Largest carrier in this window: United Airlines 33.1% · 902,804 flights
24.71%
Chicago O'Hare International Airport
Chicago, IL · Largest carrier in this window: United Airlines 31.3% · 850,994 flights
24.25%
Newark Liberty International Airport
Newark, NJ · Largest carrier in this window: United Airlines 54.0% · 376,766 flights
23.43%
George Bush Intercontinental Airport
Houston, TX · Largest carrier in this window: United Airlines 60.5% · 339,044 flights
23.28%
Philadelphia International Airport
Philadelphia, PA · Largest carrier in this window: American Airlines 45.7% · 282,615 flights
23.23%
Harry Reid International Airport
Las Vegas, NV · Largest carrier in this window: Southwest Airlines 46.0% · 556,960 flights
23.17%
John F. Kennedy International Airport
New York, NY · Largest carrier in this window: JetBlue Airways 31.9% · 352,760 flights
22.93%
Boston Logan International Airport
Boston, MA · Largest carrier in this window: JetBlue Airways 29.3% · 418,699 flights
22.37%
Seattle-Tacoma International Airport
Seattle, WA · Largest carrier in this window: Alaska Airlines 47.0% · 486,931 flights
21.05%
Hartsfield-Jackson Atlanta International Airport
Atlanta, GA · Largest carrier in this window: Delta Air Lines 69.1% · 979,661 flights
21.01%
San Francisco International Airport
San Francisco, CA · Largest carrier in this window: United Airlines 37.8% · 409,744 flights
20.79%
LaGuardia Airport
New York, NY · Largest carrier in this window: Republic Airways 29.6% · 448,129 flights
20.64%
Detroit Metropolitan Wayne County Airport
Detroit, MI · Largest carrier in this window: Delta Air Lines 47.0% · 374,952 flights
19.27%
Phoenix Sky Harbor International Airport
Phoenix, AZ · Largest carrier in this window: Southwest Airlines 34.8% · 561,852 flights
19.16%
Los Angeles International Airport
Los Angeles, CA · Largest carrier in this window: SkyWest Airlines 19.8% · 572,741 flights
18.36%
Minneapolis-Saint Paul International Airport
Minneapolis, MN · Largest carrier in this window: Delta Air Lines 56.1% · 357,344 flights
18.32%
Salt Lake City International Airport
Salt Lake City, UT · Largest carrier in this window: Delta Air Lines 47.6% · 335,788 flights
16.7%
What the BTS numbers show
Where delays are highest and lowest
FLL (27.3%), MIA (27.0%) and DFW (26.7%) have the highest rates among the 22 guide airports; SLC (16.7%), MSP (18.3%) and LAX (18.4%) have the lowest. Across all US domestic flights in the data, the rate is 21.2%.
Morning departures run on time more often
The delay rate for flights scheduled before 8 AM was lower than for flights after 8 PM at 22 of 22 airports. Averaged across airports, 11.5% of flights scheduled before 8 AM arrived late, against 29.0% after 8 PM.
Summer is the peak delay season
June to August holds the worst month at 21 of 22 airports, and July alone at 18. See the summer guide for the airport-by-airport table.
One airline often runs the airport
Delta Air Lines flies 69.1% of ATL departures, United Airlines flies 60.5% of IAH departures and American Airlines flies 59.6% of CLT departures. At airports like these, the airport's record largely follows one carrier's schedule.
Compare airports in the same city
- New York: JFK vs LGA vs EWR
- South Florida: MIA vs FLL
- Chicago: ORD vs MDW
- San Francisco Bay Area: SFO vs OAK vs SJC
- Los Angeles area: LAX vs BUR vs SNA vs ONT
- Dallas–Fort Worth: DFW vs DAL
- Houston: IAH vs HOU
- Washington–Baltimore: DCA vs IAD vs BWI
More airports with historical stats
Seasonal guides
US Airport Delay — Frequently Asked Questions
Which US airport has the most flight delays?▾
Among the 22 airports DelayGuard publishes full guides for, Fort Lauderdale-Hollywood International Airport (FLL) has the highest delay rate at 27.3% of departures arriving 15+ minutes late, January 2023 to December 2025 (BTS). MIA is next at 27.0%. Today's ranking depends on live weather and FAA programs; see the live leaderboard at the top of this page.
Which US airport is best for on-time flights?▾
Salt Lake City International Airport (SLC) has the lowest delay rate of the 22 guide airports at 16.7%, followed by MSP at 18.3%.
How are the historical delay rates calculated?▾
A flight counts as delayed when it arrives 15 or more minutes after its scheduled arrival, the BTS and DOT on-time standard. Rates cover flights departing each airport, January 2023 to December 2025, excluding cancelled and diverted flights. The US figure is 21.2%.
How often does DelayGuard update the live airport rankings?▾
The live leaderboard is rescored every hour using current weather, FAA ground stops and ground delay programs, and traffic data. It is an hourly DelayGuard estimate, separate from the historical BTS rates in the table below it.
What time of day has the fewest delays?▾
Early morning. Averaged across the 22 guide airports, 11.5% of flights scheduled before 8 AM arrived late, against 29.0% after 8 PM. Each airport page shows its own hour-by-hour table.
How do I check delays at my airport today?▾
Use the live leaderboard on this page and the live module on each airport page. For official ground delay programs and ground stops, check the FAA's air traffic status page. For a specific flight, run it through the DelayGuard predictor.
Predict Delay Risk for Your Specific Flight
Airport averages show the baseline — but your airline, route, and departure hour are what determine your real risk. Get an AI-powered delay probability score in seconds.
Predict Delay Risk →Historical delay statistics: BTS on-time performance data, flights arriving 15+ minutes after schedule (BTS and DOT definition), cancelled and diverted flights excluded. Real-time predictions from an ML model trained on BTS data, with live weather APIs and FAA ATCSCC advisories.