Great-circle route IAD ↔ FLL. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| IAD → FLL Washington to Fort Lauderdale |
19/wk | Daily | Frontier Airlines, United Airlines |
| FLL → IAD Fort Lauderdale to Washington |
19/wk | Daily | Frontier Airlines, United Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 227,566 passengers on 1,544 flights between IAD and FLL — about 624 a day — filling 85% of the 269,174 seats flown. United Air Lines Inc. carried the most passengers (100%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
2 airlines fly the IAD–FLL nonstop, including Frontier Airlines, United Airlines.
Recent scheduled departures on this route have used the Boeing 737-900, Airbus A320 NEO, Airbus A320, Boeing 737.
Aircraft assignments change by season and by time of day.
The distance between Washington Dulles International Airport and Fort Lauderdale Hollywood International Airport is 903 miles, or 1,453 kilometres.
| Great-circle distance | 903 mi |
| Kilometres | 1,453 km |
| Nautical miles | 785 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 2 airlines fly the route nonstop, with about 38 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 2h 23m in the air. That is a great-circle estimate from the 903-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
About 19 a week from Washington to Fort Lauderdale and 19 a week from Fort Lauderdale to Washington, from our most recent schedule sample.
Frontier Airlines, United Airlines.
In 2025, airlines reported 227,566 passengers on 1,544 scheduled flights between IAD and FLL — about 624 a day — filling 85% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Boeing 737-900, Airbus A320 NEO, Airbus A320, Boeing 737. Assignments change by season and by time of day.