Historical on-time performance
Birmingham to Houston
570 miData through May 2026Source: US DOT · BTS
Flights on BHM–HOU arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 458 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time84%Medianon timep9020 minCancel0.7%Flights458
Why flights run late
Delay causes
- Airline23%
- Weather1%
- Air traffic (NAS)15%
- Late aircraft61%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather67%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 BHM → HOU
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 — 93% on time.
- Mornings93% on time · p90 5 min · 455 flights
- Afternoons82% on time · p90 30 min · 153 flights · limited
- Middays82% on time · p90 30 min · 406 flights
- Evenings73% on time · p90 40 min · 465 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 86% on time.
- Mondays86% on time · p90 20 min · 188 flights · limited
- Saturdays86% on time · p90 20 min · 244 flights
- Sundays82% on time · p90 25 min · 321 flights
- Fridays81% on time · p90 25 min · 189 flights · limited
- Tuesdays81% on time · p90 35 min · 187 flights · limited
- Wednesdays80% on time · p90 35 min · 187 flights · limited
- Thursdays79% on time · p90 40 min · 189 flights · limited
Keep exploring