Showing United only (incl. its regional partners)All airlines ×

1,125 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s TPA → IAD flights land within a few points of 86% on time whatever the hour.

Best time to leave 9–10 am 94% 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).

TPA

% 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.

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%
UA 1370	TPA 18:57	IAD 21:30	78%

All 3 United flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.


UA 2331	TPA 09:00	IAD 11:22	2h 22m	318	94%	1.3%	54 min
UA 1576	TPA 14:00	IAD 16:22	2h 22m	149	85%	0.0%	96 min
UA 1370	TPA 18:57	IAD 21:30	2h 33m	350	78%	0.6%	72 min

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

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