Route
BZN → BOS
Bozeman Yellowstone International Airport Boston Logan International Airport
1,991 miles
Return route BOS → BZN →
How punctual is this route?
- On-time arrivals
- 62.4%
- Less than 15 minutes late
- Cancelled
- 4.8%
- Of scheduled flights
- Average delay when late
- 120 min
- Flights arriving 15+ minutes late
- Flights tracked
- 207
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 27%
- 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 | 50.0% | 4 |
| December 2025 | 40.0% | 17 |
| January 2026 | 75.0% | 13 |
| February 2026 | 70.8% | 25 |
| March 2026 | 83.8% | 39 |
| June 2026 | 63.0% | 27 |
| July 2026 | 52.6% | 41 |
| August 2026 | 52.5% | 41 |
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 |
|---|---|---|---|---|
| JetBlue Airways | 142 | 63.0% | 4.9% | 146 min |
| Delta Air Lines | 65 | 61.3% | 4.6% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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