Historical on-time performance
Baltimore to Houston
1,246 miData through May 2026Source: US DOT · BTS
Flights on BWI–HOU arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 1,464 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 minCancel1.6%Flights1,464
Why flights run late
Delay causes
- Airline36%
- Weather4%
- Air traffic (NAS)19%
- Late aircraft41%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather70%
- Air traffic (NAS)22%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 23 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 → 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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,367 flights
- Middays79% on time · p90 30 min · 774 flights
- Afternoons70% on time · p90 45 min · 542 flights
- Evenings60% on time · p90 65 min · 878 flights
- Overnights55% on time · p90 70 min · 676 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 77% on time.
- Tuesdays77% on time · p90 30 min · 577 flights
- Wednesdays75% on time · p90 40 min · 578 flights
- Saturdays73% on time · p90 50 min · 581 flights
- Mondays73% on time · p90 50 min · 602 flights
- Thursdays72% on time · p90 45 min · 599 flights
- Fridays71% on time · p90 45 min · 606 flights
- Sundays70% on time · p90 45 min · 694 flights
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