Historical on-time performance
Dallas to Birmingham
587 miData through May 2026Source: US DOT · BTS
Flights on DAL–BHM arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 971 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time72%Medianon timep9045 minCancel1.5%Flights971
Why flights run late
Delay causes
- Airline29%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft53%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline47%
- Weather53%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 15 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 DAL → BHM
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 — 89% on time.
- Mornings89% on time · p90 10 min · 662 flights
- Middays79% on time · p90 30 min · 494 flights
- Afternoons70% on time · p90 55 min · 589 flights
- Evenings67% on time · p90 60 min · 329 flights
- Overnights61% on time · p90 60 min · 673 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 78% on time.
- Mondays78% on time · p90 30 min · 423 flights
- Wednesdays78% on time · p90 35 min · 394 flights
- Tuesdays76% on time · p90 35 min · 397 flights
- Saturdays73% on time · p90 75 min · 276 flights
- Fridays70% on time · p90 50 min · 425 flights
- Sundays70% on time · p90 45 min · 410 flights
- Thursdays70% on time · p90 45 min · 422 flights
Keep exploring