Tampa (TPA) to Washington (IAD): On-Time Performance
Data through July 2026
When you fly TPA to IAD matters as much as anything else about the booking: the route swung from 96% on-time in April 2026 to just 64% in July 2024. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 74%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 3.6
- last 12 months
- Duration
- 2h 20m
- scheduled
- Distance
- 811 mi
Best airline from TPA to IAD
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 83% | 14 min | 1.3% | 2,494 |
| Frontier Airlines | 75% | 18 min | 3.4% | 350 |
Monthly on-time trend
Best time to fly from TPA to IAD
Aim for departures around 7 a.m. (94% on-time); avoid 3 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 15 min |
| Tuesdaybest | 87% | 14 min |
| Wednesday | 84% | 11 min |
| Thursday | 83% | 12 min |
| Friday | 82% | 14 min |
| Saturday | 81% | 15 min |
| Sunday | 75% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations26%
- National airspace system28%
- Weather8%
Frequently asked questions
- How often are flights from TPA to IAD delayed?
- 18% of TPA–IAD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from TPA to IAD?
- United Airlines has the best on-time record on this route at 83%, based on 2,494 flights. 2 airlines flew TPA–IAD frequently enough to compare in this period.
- What is the best time of day to fly from TPA to IAD?
- Departures around 7 a.m. have the best record (94% on-time), while departures around 3 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from TPA to IAD?
- The scheduled TPA–IAD flight time averages 2h 20m over 811 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are TPA to IAD flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from TPA to IAD?
- July 2024 was the roughest month in this dataset, with only 64% of arrivals on time. The best was April 2026 at 96%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 2,844 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.