Route
BZN → SAN
Bozeman Yellowstone International Airport San Diego International Airport
Alerts at BZN and SAN
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Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
How punctual is this route?
- On-time arrivals
- 60.2%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 115
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 16%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| December 2025 | 38.5% | 14 |
| January 2026 | 20.0% | 6 |
| February 2026 | 71.4% | 7 |
| March 2026 | 76.5% | 17 |
| April 2026 | 100.0% | 10 |
| June 2026 | 50.0% | 20 |
| July 2026 | 72.7% | 22 |
| August 2026 | 42.1% | 19 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 66 | 59.1% | 0.0% | 54 min |
| SkyWest Airlines | 49 | 61.7% | 2.0% | 52 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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