Southwest Airlines is the most reliable airline on the MDW to PDX route with a 72% on-time rate. Based on 2,095 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MDW to PDX
Chicago to Portland — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines72%
MDW to PDX Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 72% | 0.8% | 51m | 2,095 |
Route Overview
70%
Overall On-Time
50m
Avg Delay
0.7%
Cancel Rate
2,095
Total Flights
Flying out of MDW? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.