Route
IAD → TPA
Washington Dulles International Airport Tampa International Airport
811 miles
Return route TPA → IAD →
How punctual is this route?
- On-time arrivals
- 83.8%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,287
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Air traffic control & airport 34%
- Airline (crew, maintenance, cleaning) 18%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.1% | 122 |
| October 2025 | 84.0% | 107 |
| November 2025 | 84.6% | 104 |
| December 2025 | 80.7% | 114 |
| January 2026 | 86.7% | 109 |
| February 2026 | 87.8% | 91 |
| March 2026 | 81.1% | 128 |
| April 2026 | 92.9% | 100 |
| May 2026 | 90.7% | 97 |
| June 2026 | 82.1% | 95 |
| July 2026 | 77.1% | 108 |
| August 2026 | 79.5% | 112 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 1,109 | 83.6% | 0.5% | 75 min |
| Frontier Airlines | 178 | 84.9% | 2.8% | 77 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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