Republic Airways is the most reliable airline on the BUF to MIA route with a 90% on-time rate, compared to American Airlines at 45%. Based on 10 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BUF to MIA
Buffalo to Miami — airline reliability comparison
On-Time Rate by Airline
Republic Airways90%
American Airlines45%
BUF to MIA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Republic AirwaysYXBest | 90% | 0.0% | 81m | 10 |
| American AirlinesAAWorst | 45% | 0.0% | 70m | 11 |
Route Overview
66%
Overall On-Time
62m
Avg Delay
0%
Cancel Rate
35
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.