is the most reliable airline on the MIA to BWI route with a 83% on-time rate, compared to American Airlines at 70%. Based on 389 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MIA to BWI
Miami to Baltimore — airline reliability comparison
On-Time Rate by Airline
83%
Spirit Airlines79%
Southwest Airlines77%
Frontier Airlines77%
American Airlines70%
MIA to BWI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| MQBest | 83% | 1.4% | 47m | 389 |
| Spirit AirlinesNK | 79% | 2.5% | 88m | 727 |
| Southwest AirlinesWN | 77% | 1.4% | 66m | 4,575 |
| Frontier AirlinesF9 | 77% | 2.4% | 71m | 991 |
| American AirlinesAAWorst | 70% | 1.7% | 64m | 1,808 |
Route Overview
76%
Overall On-Time
67m
Avg Delay
1.7%
Cancel Rate
8,537
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.