Houston (HOU) to Baltimore (BWI): On-Time Performance
Data through July 2026
Houston (HOU) to Baltimore (BWI) effectively runs on two schedules. In January 2026, 92% of arrivals were on time; in March 2026 that fell to 57% — a 35-point seasonal swing. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 65%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 4.1
- last 12 months
- Duration
- 2h 58m
- scheduled
- Distance
- 1,246 mi
Monthly on-time trend
Best time to fly from HOU to BWI
Aim for departures around 6 a.m. (95% on-time); avoid 4 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 15 min |
| Tuesdaybest | 83% | 11 min |
| Wednesday | 79% | 10 min |
| Thursday | 77% | 12 min |
| Friday | 77% | 12 min |
| Saturday | 77% | 12 min |
| Sunday | 76% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft41%
- Airline operations33%
- National airspace system19%
- Weather6%
- Security1%
Frequently asked questions
- How often are flights from HOU to BWI delayed?
- 23% of HOU–BWI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from HOU to BWI?
- Departures around 6 a.m. have the best record (95% on-time), while departures around 4 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from HOU to BWI?
- The scheduled HOU–BWI flight time averages 2h 58m over 1,246 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are HOU to BWI flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from HOU to BWI?
- March 2026 was the roughest month in this dataset, with only 57% of arrivals on time. The best was January 2026 at 92%. If your dates are flexible, that 35-point gap is worth planning around.
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Based on 3,054 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.