Route
BDL → IAD
Bradley International Airport Washington Dulles International Airport
325 miles
Return route IAD → BDL →
How punctual is this route?
- On-time arrivals
- 84.4%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 87 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,082
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 40%
- Late-arriving aircraft 36%
- Airline (crew, maintenance, cleaning) 18%
- Extreme weather 6%
- 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 | 85.0% | 107 |
| October 2025 | 90.5% | 95 |
| November 2025 | 88.6% | 79 |
| December 2025 | 78.7% | 90 |
| January 2026 | 87.3% | 85 |
| February 2026 | 85.7% | 90 |
| March 2026 | 83.3% | 111 |
| April 2026 | 89.2% | 102 |
| May 2026 | 87.4% | 95 |
| June 2026 | 82.9% | 85 |
| July 2026 | 75.9% | 60 |
| August 2026 | 74.7% | 83 |
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 | 941 | 85.3% | 1.5% | 89 min |
| Republic Airways | 141 | 78.4% | 5.0% | 79 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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