Alaska Airlines is the most reliable airline on the PHX to BOI route with a 88% on-time rate, compared to American Airlines at 77%. Based on 107 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PHX to BOI
Phoenix to Boise — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines88%
86%
SkyWest Airlines84%
Southwest Airlines81%
American Airlines77%
PHX to BOI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 88% | 0.0% | 40m | 107 |
| MQ | 86% | 0.0% | 42m | 528 |
| SkyWest AirlinesOO | 84% | 0.2% | 64m | 2,629 |
| Southwest AirlinesWN | 81% | 0.1% | 42m | 2,317 |
| American AirlinesAAWorst | 77% | 0.1% | 93m | 697 |
Route Overview
82%
Overall On-Time
62m
Avg Delay
0.2%
Cancel Rate
6,354
Total Flights
Flying out of PHX? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.