Southwest Airlines is the most reliable airline on the BUF to MDW route with a 83% on-time rate. Based on 2,911 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BUF to MDW
Buffalo to Chicago — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines83%
BUF to MDW Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 83% | 1.5% | 60m | 2,911 |
Route Overview
82%
Overall On-Time
59m
Avg Delay
1.4%
Cancel Rate
2,911
Total Flights
Flying out of BUF? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.