Route
BZN → IAD
Bozeman Yellowstone International Airport Washington Dulles International Airport
1,773 miles
Return route IAD → BZN →
How punctual is this route?
- On-time arrivals
- 74.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 51
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 57%
- Late-arriving aircraft 29%
- Air traffic control & airport 14%
- Extreme weather 0%
- 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 | 83.3% | 6 |
| December 2025 | 0.0% | 2 |
| January 2026 | 60.0% | 5 |
| February 2026 | 100.0% | 4 |
| March 2026 | 0.0% | 4 |
| May 2026 | 100.0% | 4 |
| June 2026 | 87.5% | 8 |
| July 2026 | 85.7% | 8 |
| August 2026 | 80.0% | 10 |
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 | 51 | 74.0% | 0.0% | 58 min |
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