FlightRecord

Baltimore (BWI) to Houston (HOU): On-Time Performance

Data through July 2026

When you fly BWI to HOU matters as much as anything else about the booking: the route swung from 97% on-time in November 2024 to just 44% in July 2024. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 63%), which matters most in the rough months.

On-time
76%
arrived <15 min late
Avg delay
14 min
completed flights
Cancelled
1.6%
Flights/day
4.0
last 12 months
Duration
3h 28m
scheduled
Distance
1,246 mi

Monthly on-time trend

Monthly on-time percentage for BWI to HOU flights50%75%100%August 2024: 71% on-time (128 flights)71Aug 2024September 2024: 80% on-time (124 flights)80October 2024: 84% on-time (128 flights)84November 2024: 97% on-time (121 flights)97Nov 2024December 2024: 77% on-time (132 flights)77January 2025: 79% on-time (105 flights)79February 2025: 84% on-time (98 flights)84Feb 2025March 2025: 85% on-time (118 flights)85April 2025: 77% on-time (119 flights)77May 2025: 69% on-time (123 flights)69May 2025June 2025: 66% on-time (124 flights)66July 2025: 70% on-time (128 flights)70August 2025: 72% on-time (128 flights)72Aug 2025September 2025: 85% on-time (125 flights)85October 2025: 77% on-time (130 flights)77November 2025: 82% on-time (130 flights)82Nov 2025December 2025: 74% on-time (133 flights)74January 2026: 85% on-time (102 flights)85February 2026: 87% on-time (99 flights)87Feb 2026March 2026: 73% on-time (121 flights)73April 2026: 74% on-time (120 flights)74May 2026: 69% on-time (124 flights)69May 2026June 2026: 69% on-time (113 flights)69July 2026: 69% on-time (143 flights)69

Best time to fly from BWI to HOU

Aim for departures around 6 a.m. (94% on-time); avoid 7 p.m. departures (52%).

On-time percentage by scheduled departure hour, BWI to HOU6 a.m.: 94% on-time (384 flights)67 a.m.: 88% on-time (314 flights)78 a.m.: 91% on-time (65 flights)89 a.m.: 86% on-time (214 flights)910 a.m.: 84% on-time (270 flights)1011 a.m.: 80% on-time (113 flights)1112 p.m.: 74% on-time (142 flights)121 p.m.: 65% on-time (57 flights)132 p.m.: 69% on-time (111 flights)143 p.m.: 78% on-time (135 flights)154 p.m.: 65% on-time (132 flights)165 p.m.: 74% on-time (208 flights)176 p.m.: 63% on-time (308 flights)187 p.m.: 52% on-time (133 flights)198 p.m.: 61% on-time (199 flights)209 p.m.: 61% on-time (242 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday75%15 min
Tuesdaybest84%10 min
Wednesday78%11 min
Thursday73%16 min
Friday76%15 min
Saturday73%16 min
Sunday73%17 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft38%
  • Airline operations41%
  • National airspace system16%
  • Weather5%
  • Security1%

Frequently asked questions

How often are flights from BWI to HOU delayed?
24% of BWI–HOU 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 14 minutes.
What is the best time of day to fly from BWI to HOU?
Departures around 6 a.m. have the best record (94% on-time), while departures around 7 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from BWI to HOU?
The scheduled BWI–HOU flight time averages 3h 28m over 1,246 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
How often are BWI to HOU flights cancelled?
1.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from BWI to HOU?
July 2024 was the roughest month in this dataset, with only 44% of arrivals on time. The best was November 2024 at 97%. If your dates are flexible, that 53-point gap is worth planning around.

Based on 3,032 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.