Southwest Airlines is the most reliable airline on the DAL to BUF route with a 90% on-time rate. Based on 11 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DAL to BUF
Dallas to Buffalo — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines90%
DAL to BUF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 90% | 9.1% | 16m | 11 |
Route Overview
90%
Overall On-Time
16m
Avg Delay
9.1%
Cancel Rate
11
Total Flights
Flying out of DAL? 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.