Historical on-time performance
Miami to Baltimore
946 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–BWI arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 1,998 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Spirit AirlinesOn-time87%Medianon timep9020 minCancel0.0%Flights30
- Envoy AirOn-time86%Medianon timep9030 minCancel0.0%Flights65
- American AirlinesOn-time63%Medianon timep9065 minCancel1.7%Flights572
- Southwest AirlinesOn-time78%Medianon timep9040 minCancel1.8%Flights1,238
- Frontier AirlinesOn-time73%Medianon timep9070 minCancel1.1%Flights93
Why flights run late
Delay causes
- Airline25%
- Weather6%
- Air traffic (NAS)19%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MIA → BWI
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 2,109 flights
- Middays74% on time · p90 45 min · 1,129 flights
- Overnights67% on time · p90 65 min · 1,574 flights
- Afternoons67% on time · p90 65 min · 1,143 flights
- Evenings65% on time · p90 75 min · 1,226 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 80% on time.
- Tuesdays80% on time · p90 40 min · 954 flights
- Wednesdays80% on time · p90 45 min · 932 flights
- Fridays76% on time · p90 45 min · 1,040 flights
- Thursdays74% on time · p90 55 min · 1,037 flights
- Mondays73% on time · p90 50 min · 1,048 flights
- Saturdays73% on time · p90 55 min · 1,110 flights
- Sundays69% on time · p90 60 min · 1,060 flights
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