Route Reliability
Washington → Tampa
IAD–TPA · 811 miles · Washington Dulles International Airport to Tampa International Airport
- 80%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.1%
- Cancelled
- 1,412
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines81%1,221 flights
- 2.Frontier Airlines69%191 flights
What the data says
Morning flights do better here.
IAD–TPA flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 65% between 3–6 PM.
Friday is doing you no favors.
IAD–TPA flights arrived on time 88% of the time on Tuesdays. On Fridays: 76%.
United Airlines runs this route best.
United Airlines arrived on time 81% of the time on this route; Frontier Airlines managed 69%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(212 flights)
- Tue88%(175 flights)
- Wed85%(171 flights)
- Thu80%(224 flights)
- Fri76%(214 flights)
- Sat78%(182 flights)
- Sun76%(215 flights)
- 6–9 AM88%(252 flights)
- 9 AM–12 PM93%(148 flights)
- 12–3 PM89%(379 flights)
- 3–6 PM65%(341 flights)
- 6–9 PM66%(163 flights)
- 9 PM–12 AM79%(110 flights)
Jun 62% → May 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 62% | 136 |
| July 2025 | 62% | 166 |
| August 2025 | 77% | 127 |
| September 2025 | 82% | 122 |
| October 2025 | 84% | 106 |
| November 2025 | 86% | 104 |
| December 2025 | 82% | 114 |
| January 2026 | 88% | 105 |
| February 2026 | 88% | 90 |
| March 2026 | 81% | 127 |
| April 2026 | 93% | 99 |
| May 2026 | 92% | 97 |
Same trip, other airports
Keep nerding
Based on 1,412 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.