Historical on-time performance
Chicago to Birmingham
Flights on MDW–BHM arrive on time 75% of the time over the last 12 months.
based on 483 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9040 minCancel1.2%Flights483
Why flights run late
Delay causes
- Airline30%
- Weather3%
- Air traffic (NAS)13%
- Late aircraft55%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline17%
- Weather67%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 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 MDW → 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 67% to 84% on time.
- Evenings84% on time · p90 20 min · 123 flights · limited
- Mornings84% on time · p90 20 min · 526 flights
- Middays82% on time · p90 20 min · 320 flights
- Overnights67% on time · p90 55 min · 649 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 82% on time.
- Tuesdays82% on time · p90 30 min · 237 flights
- Saturdays81% on time · p90 25 min · 156 flights · limited
- Wednesdays80% on time · p90 30 min · 235 flights
- Thursdays77% on time · p90 40 min · 269 flights
- Mondays74% on time · p90 40 min · 271 flights
- Sundays73% on time · p90 45 min · 271 flights
- Fridays72% on time · p90 35 min · 275 flights
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