Route
FLL → IAD
Fort Lauderdale Hollywood International Airport Washington Dulles International Airport
Alerts at FLL and IAD
-
Advisory Coastal Flood Statement FLL
COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY EVENING
Weather
How punctual is this route?
- On-time arrivals
- 81.4%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 91 min
- Flights arriving 15+ minutes late
- Flights tracked
- 803
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 41%
- Air traffic control & airport 29%
- Airline (crew, maintenance, cleaning) 19%
- Extreme weather 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 93.3% | 30 |
| October 2025 | 91.9% | 37 |
| November 2025 | 83.3% | 60 |
| December 2025 | 88.2% | 76 |
| January 2026 | 78.9% | 59 |
| February 2026 | 76.9% | 65 |
| March 2026 | 81.9% | 84 |
| April 2026 | 87.7% | 81 |
| May 2026 | 85.2% | 81 |
| June 2026 | 90.7% | 78 |
| July 2026 | 63.3% | 82 |
| August 2026 | 65.7% | 70 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 700 | 85.9% | 0.6% | 84 min |
| Frontier Airlines | 103 | 48.4% | 6.8% | 105 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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