Route
BOI → SAN
Boise Air Terminal/Gowen Field San Diego International Airport
Alerts at BOI and SAN
-
Read the story →
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
- 79.9%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,033
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Air traffic control & airport 30%
- Airline (crew, maintenance, cleaning) 25%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.1% | 86 |
| October 2025 | 86.5% | 91 |
| November 2025 | 80.7% | 89 |
| December 2025 | 81.5% | 94 |
| January 2026 | 73.2% | 73 |
| February 2026 | 82.2% | 73 |
| March 2026 | 84.1% | 89 |
| April 2026 | 91.1% | 79 |
| May 2026 | 82.2% | 101 |
| June 2026 | 75.6% | 86 |
| July 2026 | 70.0% | 80 |
| August 2026 | 68.9% | 92 |
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 | 426 | 74.4% | 0.5% | 53 min |
| SkyWest Airlines | 355 | 79.4% | 0.8% | 65 min |
| Alaska Airlines | 252 | 90.0% | 1.2% | 47 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO3481
23% late · 257 flights
-
AS166
11% late · 176 flights
-
OO3235
21% late · 69 flights
-
AS909
7% late · 55 flights
-
WN2034
14% late · 49 flights
-
WN1397
24% late · 46 flights
-
WN712
14% late · 44 flights
-
WN1219
3% late · 33 flights
-
WN2583
13% late · 30 flights
-
OO3019
4% late · 28 flights
-
WN713
52% late · 27 flights
-
WN678
38% late · 25 flights
-
WN552
4% late · 24 flights
-
WN859
4% late · 24 flights
-
AS304
10% late · 21 flights
Reviews
No reviews yet. Be the first to review this route.