Route
SMF → BOI
Sacramento International Airport Boise Air Terminal/Gowen Field
How punctual is this route?
- On-time arrivals
- 80.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 52 min
- Flights arriving 15+ minutes late
- Flights tracked
- 870
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 67%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 7%
- Security 1%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.3% | 73 |
| October 2025 | 82.8% | 58 |
| November 2025 | 74.7% | 75 |
| December 2025 | 76.6% | 77 |
| January 2026 | 86.6% | 67 |
| February 2026 | 78.6% | 70 |
| March 2026 | 85.9% | 64 |
| April 2026 | 82.5% | 63 |
| May 2026 | 80.6% | 67 |
| June 2026 | 73.5% | 83 |
| July 2026 | 80.9% | 89 |
| August 2026 | 79.8% | 84 |
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 | 80.5% | 0.0% | 52 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN3762
25% late · 60 flights
-
WN3413
7% late · 59 flights
-
WN1166
16% late · 58 flights
-
WN4353
31% late · 58 flights
-
WN4316
26% late · 57 flights
-
WN1379
36% late · 36 flights
-
WN418
46% late · 35 flights
-
WN3608
6% late · 33 flights
-
WN4415
15% late · 33 flights
-
WN4315
16% late · 32 flights
-
WN1495
3% late · 31 flights
-
WN4296
10% late · 31 flights
-
WN3136
14% late · 28 flights
-
WN3760
0% late · 27 flights
-
WN1163
45% late · 22 flights
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