Historical on-time performance
Baltimore to Birmingham
Flights on BWI–BHM arrive on time 79% of the time over the last 12 months.
based on 131 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time79%Medianon timep9030 minCancel1.5%Flights131
Why flights run late
Delay causes
- Airline23%
- Weather20%
- Air traffic (NAS)31%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 2 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 → BHM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 65% to 85% on time.
- Mornings85% on time · p90 20 min · 312 flights
- Middays81% on time · p90 20 min · 387 flights
- Afternoons65% on time · p90 55 min · 295 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 84% on time.
- Tuesdays84% on time · p90 30 min · 156 flights · limited
- Wednesdays83% on time · p90 20 min · 156 flights · limited
- Thursdays78% on time · p90 30 min · 157 flights · limited
- Sundays75% on time · p90 25 min · 169 flights · limited
- Fridays74% on time · p90 35 min · 157 flights · limited
- Mondays72% on time · p90 35 min · 156 flights · limited
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