Historical on-time performance
Baltimore to Miami
946 miData through May 2026Source: US DOT · BTS
Flights on BWI–MIA arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 1,962 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesbestOn-time76%Medianon timep9040 minCancel2.6%Flights685
- Envoy AirOn-time74%Medianon timep90105 minCancel0.0%Flights34
- Southwest AirlinesOn-time70%Medianon timep9045 minCancel2.0%Flights1,182
- Frontier AirlinesOn-time54%Medianon timep90130 minCancel3.3%Flights61
Why flights run late
Delay causes
- Airline35%
- Weather8%
- Air traffic (NAS)22%
- Late aircraft34%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline14%
- Weather61%
- Air traffic (NAS)25%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 44 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BWI → MIA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 20 min · 2,757 flights
- Middays76% on time · p90 40 min · 1,207 flights
- Evenings62% on time · p90 80 min · 1,706 flights
- Afternoons62% on time · p90 75 min · 752 flights
- Overnights60% on time · p90 85 min · 754 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 78% on time.
- Tuesdays78% on time · p90 45 min · 930 flights
- Wednesdays76% on time · p90 45 min · 905 flights
- Mondays73% on time · p90 40 min · 1,028 flights
- Fridays72% on time · p90 50 min · 1,042 flights
- Saturdays72% on time · p90 50 min · 1,145 flights
- Thursdays71% on time · p90 60 min · 1,043 flights
- Sundays67% on time · p90 65 min · 1,083 flights
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