Dulles (IAD) to Tampa (TPA)
Flight time
≈ 2h 25m
Bearing
203° SW
Dulles (IAD) to Tampa (TPA) is 812 miles (1,307 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–TPA
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 4 carriers flying nonstop IAD–TPA; the Boeing 737-900ER was the most common aircraft at 51% of departures; flights ran 84% full.
Departures
196
May 2026
Seats
34,347
both directions
Passengers
29,011
both directions
Load factor
84.5%
RPM ÷ ASM
Who flies IAD–TPA?
United Airlines operated the most nonstop IAD–TPA departures in May 2026 (178), one of 4 carriers on the route.
- UA
178 departures · 31,024 seats
Share of departures90.8%85.4%
Load
- F9
16 departures · 2,976 seats
Share of departures8.2%81.4%
Load
- AA
1 departures · 172 seats
Share of departures0.5%44.2%
Load
- WN
1 departures · 175 seats
Share of departures0.5%16.0%
Load
What plane flies IAD–TPA?
In May 2026, the Boeing 737-900ER flew 51% of IAD–TPA departures — more than any other aircraft type.
- Boeing 737-900ER
99 departures · 86.8% load
50.5% - Boeing 737-800
52 departures · 80.8% load
26.5% - Boeing 737 MAX 9
17 departures · 86.2% load
8.7% - Airbus A320neo
16 departures · 81.4% load
8.2% - Boeing 737 MAX 8
10 departures · 80.2% load
5.1% - Airbus A320
2 departures · 86.7% load
1.0%
How has IAD–TPA traffic changed?
Nonstop IAD–TPA departures fell from 277 in June 2025 to 196 in May 2026.
Monthly nonstop IAD–TPA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
277 departures · 39,488 passengers
81.1%
Load
July 2025
339 departures · 42,019 passengers
71.6%
Load
August 2025
256 departures · 34,614 passengers
75.9%
Load
September 2025
249 departures · 31,919 passengers
70.9%
Load
October 2025
212 departures · 30,610 passengers
81.6%
Load
November 2025
212 departures · 29,897 passengers
81.7%
Load
December 2025
228 departures · 33,252 passengers
82.1%
Load
January 2026
213 departures · 28,984 passengers
76.9%
Load
February 2026
180 departures · 26,245 passengers
82.1%
Load
March 2026
259 departures · 38,425 passengers
83.2%
Load
April 2026
199 departures · 29,530 passengers
84.7%
Load
May 2026
196 departures · 29,011 passengers
84.5%
Load
By direction
Each direction is filed separately — they rarely match.
TPA → IAD
87.2% full
99 departures · 15,122 passengers
IAD → TPA
81.7% full
97 departures · 13,889 passengers
Nonstop IAD–TPA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Dulles (IAD) from Tampa (TPA)?
IAD to TPA is 812 miles (1,307 km / 706 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to TPA?
A nonstop covers the 812-mile great-circle distance in roughly 2h 25m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–TPA?
In May 2026, the Boeing 737-900ER flew the largest share of departures (50.5%), followed by the Boeing 737-800 (26.5%).
What mileage do I earn flying IAD–TPA?
Distance-based programs credit off the 812-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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