American Airlines is the most reliable airline on the PIT to MIA route with a 82% on-time rate, compared to Spirit Airlines at 73%. Based on 1,775 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PIT to MIA
Pittsburgh to Miami — airline reliability comparison
On-Time Rate by Airline
American Airlines82%
Southwest Airlines79%
75%
Spirit Airlines73%
PIT to MIA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 82% | 0.8% | 85m | 1,775 |
| Southwest AirlinesWN | 79% | 0.0% | 44m | 84 |
| MQ | 75% | 0.4% | 43m | 298 |
| Spirit AirlinesNKWorst | 73% | 0.0% | 73m | 113 |
Route Overview
80%
Overall On-Time
76m
Avg Delay
0.9%
Cancel Rate
2,406
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.