Southwest Airlines is the most reliable airline on the PDX to DAL route with a 67% on-time rate. Based on 430 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PDX to DAL
Portland to Dallas — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines67%
PDX to DAL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 67% | 0.0% | 44m | 430 |
Route Overview
66%
Overall On-Time
47m
Avg Delay
0%
Cancel Rate
430
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.