FlightRecord

Baltimore (BWI) to Birmingham (BHM): On-Time Performance

Data through July 2026

Baltimore (BWI) to Birmingham (BHM) is a thinner route than most in this dataset — 336 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 79% arrived on time.

On-time
79%
arrived <15 min late
Avg delay
13 min
completed flights
Cancelled
1.0%
Flights/day
0.92
last 12 months
Duration
2h 7m
scheduled
Distance
682 mi

Monthly on-time trend

Monthly on-time percentage for BWI to BHM flights50%75%100%August 2024: 67% on-time (27 flights)67Aug 2024September 2024: 73% on-time (26 flights)73October 2024: 93% on-time (27 flights)93November 2024: 85% on-time (27 flights)85Nov 2024December 2024: 83% on-time (30 flights)83January 2025: 77% on-time (28 flights)77February 2025: 83% on-time (24 flights)83Feb 2025March 2025: 89% on-time (26 flights)89April 2025: 92% on-time (26 flights)92May 2025: 96% on-time (26 flights)96May 2025June 2025: 71% on-time (34 flights)71July 2025: 76% on-time (35 flights)76August 2025: 71% on-time (28 flights)71Aug 2025September 2025: 81% on-time (26 flights)81October 2025: 78% on-time (27 flights)78November 2025: 94% on-time (31 flights)94Nov 2025December 2025: 84% on-time (31 flights)84January 2026: 96% on-time (27 flights)96February 2026: 89% on-time (27 flights)89Feb 2026March 2026: 74% on-time (27 flights)74April 2026: 85% on-time (26 flights)85May 2026: 73% on-time (26 flights)73May 2026June 2026: 77% on-time (30 flights)77July 2026: 72% on-time (30 flights)72

Best time to fly from BWI to BHM

Aim for departures around 10 a.m. (92% on-time); avoid 4 p.m. departures (49%).

On-time percentage by scheduled departure hour, BWI to BHM8 a.m.: 87% on-time (68 flights)89 a.m.: 85% on-time (151 flights)910 a.m.: 92% on-time (110 flights)1011 a.m.: 83% on-time (40 flights)111 p.m.: 78% on-time (74 flights)132 p.m.: 69% on-time (124 flights)143 p.m.: 80% on-time (66 flights)154 p.m.: 49% on-time (36 flights)16scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday76%17 min
Tuesday85%9 min
Wednesdaybest86%7 min
Thursday76%14 min
Friday78%16 min
Saturday76%14 min
Sunday76%11 min

What causes delays on this route

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

  • Late-arriving aircraft35%
  • Airline operations41%
  • National airspace system17%
  • Weather7%

Frequently asked questions

How often are flights from BWI to BHM delayed?
21% of BWI–BHM 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 13 minutes.
What is the best time of day to fly from BWI to BHM?
Departures around 10 a.m. have the best record (92% on-time), while departures around 4 p.m. have the worst (49%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from BWI to BHM?
The scheduled BWI–BHM flight time averages 2h 7m over 682 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
How often are BWI to BHM flights cancelled?
1% 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 BHM?
July 2024 was the roughest month in this dataset, with only 36% of arrivals on time. The best was May 2025 at 96%. If your dates are flexible, that 61-point gap is worth planning around.

Based on 703 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.