Southwest Airlines is the most reliable airline on the MIA to DAL route with a 73% on-time rate. Based on 1,652 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MIA to DAL
Miami to Dallas — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines73%
MIA to DAL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 73% | 1.2% | 65m | 1,652 |
Route Overview
72%
Overall On-Time
66m
Avg Delay
1.3%
Cancel Rate
1,652
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.