Historical on-time performance
Houston to Baltimore
1,246 miData through Dec 2025Source: US DOT · BTS
Flights on HOU–BWI arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 1,468 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9035 minCancel1.8%Flights1,468
Why flights run late
Delay causes
- Airline30%
- Weather7%
- Air traffic (NAS)17%
- Late aircraft45%
- Security0%
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 HOU → BWI
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 — 92% on time.
- Mornings92% on time · p90 10 min · 1,515 flights
- Middays82% on time · p90 25 min · 710 flights
- Evenings71% on time · p90 45 min · 690 flights
- Afternoons69% on time · p90 45 min · 591 flights
- Overnights68% on time · p90 55 min · 690 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 85% on time.
- Tuesdays85% on time · p90 20 min · 582 flights
- Wednesdays83% on time · p90 20 min · 579 flights
- Mondays79% on time · p90 30 min · 599 flights
- Saturdays79% on time · p90 35 min · 561 flights
- Thursdays78% on time · p90 25 min · 588 flights
- Sundays77% on time · p90 30 min · 693 flights
- Fridays77% on time · p90 35 min · 594 flights
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