Route
BOI → SMF
Boise Air Terminal/Gowen Field Sacramento International Airport
How punctual is this route?
- On-time arrivals
- 85.4%
- Less than 15 minutes late
- Cancelled
- 0.2%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 871
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 62%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.0% | 73 |
| October 2025 | 82.8% | 58 |
| November 2025 | 85.1% | 75 |
| December 2025 | 81.8% | 77 |
| January 2026 | 90.9% | 67 |
| February 2026 | 92.9% | 70 |
| March 2026 | 90.5% | 64 |
| April 2026 | 82.5% | 63 |
| May 2026 | 74.6% | 67 |
| June 2026 | 78.3% | 83 |
| July 2026 | 87.6% | 89 |
| August 2026 | 88.1% | 85 |
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 | 870 | 85.3% | 0.2% | 63 min |
| SkyWest Airlines | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN717
32% late · 60 flights
-
WN1401
10% late · 59 flights
-
WN3163
5% late · 58 flights
-
WN2519
7% late · 47 flights
-
WN1417
11% late · 46 flights
-
WN715
5% late · 43 flights
-
WN1406
42% late · 36 flights
-
WN716
9% late · 35 flights
-
WN2586
3% late · 33 flights
-
WN1397
0% late · 31 flights
-
WN1461
6% late · 31 flights
-
WN1743
0% late · 28 flights
-
WN866
54% late · 24 flights
-
WN1460
23% late · 22 flights
-
WN681
5% late · 22 flights
-
WN1462
29% late · 21 flights
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