Alaska Airlines is the most reliable airline on the BOI to PHX route with a 88% on-time rate, compared to at 83%. Based on 107 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BOI to PHX
Boise to Phoenix — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines88%
Southwest Airlines86%
SkyWest Airlines85%
American Airlines83%
83%
BOI to PHX Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 88% | 0.9% | 48m | 107 |
| Southwest AirlinesWN | 86% | 0.3% | 57m | 2,314 |
| SkyWest AirlinesOO | 85% | 0.2% | 83m | 2,627 |
| American AirlinesAA | 83% | 0.1% | 144m | 696 |
| MQWorst | 83% | 0.1% | 56m | 526 |
Route Overview
85%
Overall On-Time
84m
Avg Delay
0.3%
Cancel Rate
6,349
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.