Route
BOI → SFO
Boise Air Terminal/Gowen Field San Francisco International Airport
Alerts at BOI and SFO
How punctual is this route?
- On-time arrivals
- 65.3%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,744
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 54%
- Airline (crew, maintenance, cleaning) 28%
- Late-arriving aircraft 17%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.1% | 113 |
| October 2025 | 79.2% | 130 |
| November 2025 | 77.9% | 148 |
| December 2025 | 73.2% | 153 |
| January 2026 | 81.2% | 151 |
| February 2026 | 72.5% | 132 |
| March 2026 | 81.5% | 178 |
| April 2026 | 65.6% | 166 |
| May 2026 | 45.1% | 146 |
| June 2026 | 40.5% | 132 |
| July 2026 | 42.4% | 151 |
| August 2026 | 47.2% | 144 |
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 | 1,513 | 66.0% | 0.4% | 74 min |
| United Airlines | 231 | 61.3% | 0.4% | 106 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO4733
39% late · 337 flights
-
OO4678
11% late · 326 flights
-
OO3025
44% late · 278 flights
-
OO4753
32% late · 238 flights
-
OO4661
52% late · 104 flights
-
OO4639
55% late · 98 flights
-
UA324
18% late · 91 flights
-
OO5312
22% late · 87 flights
-
UA649
76% late · 82 flights
-
UA329
3% late · 37 flights
-
OO6005
33% late · 24 flights
-
UA743
48% late · 21 flights
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