Southwest Airlines is the most reliable airline on the PHX to COS route with a 79% on-time rate. Based on 3,520 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PHX to COS
Phoenix to Colorado Springs — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines79%
PHX to COS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 79% | 0.3% | 45m | 3,520 |
Route Overview
79%
Overall On-Time
45m
Avg Delay
0.3%
Cancel Rate
3,520
Total Flights
Flying out of PHX? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.