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1,305 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: almost all depart on time. After 4 pm it’s 4 in 5.

Best time to leave 8–9 am 95% arrive on time from TPA
Best single flight UA 2331 TPA 09:00 → IAD 11:22 · 94% on time Avoid UA 1370 TPA 18:57 → IAD 21:30 · 78% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

8
9
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TPA
97
94
83
90
77
81
76
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
United 1,125 86% 0.7% 73 min
Frontier 180 85% 3.3% 62 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
UA 2331 TPA 09:00 IAD 11:22 94%
F9 2954 TPA 09:10 IAD 11:47 85%
UA 1370 TPA 18:57 IAD 21:30 78%
All 4 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
United TPA IAD 2h 20m 86% 0.7% 1,125 Flying now
Frontier TPA IAD 2h 36m 85% 3.3% 180 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON