Historical on-time performance
Baltimore to Houston
1,246 miData through Dec 2025Source: 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 delay35 min1 in 10 flights is worse (tail risk)
Cancelled2.1%of scheduled flights
based on 1,461 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 timep9035 minCancel2.1%Flights1,461
Why flights run late
Delay causes
- Airline36%
- Weather9%
- Air traffic (NAS)15%
- Late aircraft40%
- Security1%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 15 min · 1,350 flights
- Middays79% on time · p90 30 min · 729 flights
- Afternoons69% on time · p90 45 min · 573 flights
- Evenings60% on time · p90 65 min · 812 flights
- Overnights54% on time · p90 70 min · 674 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 76% on time.
- Tuesdays76% on time · p90 35 min · 568 flights
- Wednesdays74% on time · p90 40 min · 569 flights
- Mondays74% on time · p90 45 min · 593 flights
- Saturdays73% on time · p90 45 min · 563 flights
- Thursdays72% on time · p90 40 min · 581 flights
- Fridays70% on time · p90 45 min · 586 flights
- Sundays70% on time · p90 45 min · 678 flights
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