Route
SFO → BOI
San Francisco International Airport Boise Air Terminal/Gowen Field
Alerts at SFO and BOI
How punctual is this route?
- On-time arrivals
- 75.4%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,740
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 41%
- Air traffic control & airport 34%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 79.6% | 113 |
| October 2025 | 78.6% | 131 |
| November 2025 | 84.8% | 148 |
| December 2025 | 68.0% | 151 |
| January 2026 | 79.5% | 151 |
| February 2026 | 81.7% | 131 |
| March 2026 | 89.3% | 178 |
| April 2026 | 78.4% | 165 |
| May 2026 | 62.3% | 146 |
| June 2026 | 61.4% | 132 |
| July 2026 | 68.9% | 151 |
| August 2026 | 69.2% | 143 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 1,510 | 75.7% | 0.3% | 79 min |
| United Airlines | 230 | 72.8% | 0.4% | 57 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO3375
25% late · 275 flights
-
OO5644
21% late · 233 flights
-
OO5435
23% late · 232 flights
-
OO5720
27% late · 191 flights
-
OO6027
38% late · 115 flights
-
OO6035
46% late · 90 flights
-
OO5375
5% late · 85 flights
-
UA267
37% late · 82 flights
-
OO5623
9% late · 77 flights
-
OO5312
35% late · 55 flights
-
UA1245
13% late · 54 flights
-
OO5664
5% late · 37 flights
-
UA1406
14% late · 37 flights
-
UA2074
14% late · 36 flights
-
OO4697
42% late · 26 flights
-
OO5281
12% late · 24 flights
-
OO5465
10% late · 21 flights
-
UA2364
71% late · 21 flights
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