ON TIMEBOARD

BHM → DCA on time

Birmingham-Shuttlesworth (Birmingham, AL) to Washington Reagan National (Washington, DC). Every scheduled flight, September 2025 to August 2026.

On time
70%
arrived < 15 min late
Cancelled
5.6%
1,040 flights
Typical arrival
−9 min
median vs schedule
When late
+120 min
average delay
Flights / day
3
1 airline

70% of flights from Birmingham to Washington arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 a.m. departures ran on time 85% of the time; the 5 p.m. ones 56%. 16% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for BHM → DCA: when a flight was late, it was under 45 minutes late 45% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 29 three hours or more; 5.6% were cancelled outright.

Share of all 1,040 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines1,04070%5.6%−9 min10.3%+120 minPSA Airlines 94%, Republic Airways 6%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at BHM). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: too few flights (66 flights)5a6 a.m. departures: 85% on time (285 flights)856a7 a.m. departures: too few flights (9 flights)7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights (1 flights)9a10 a.m. departures: 71% on time (330 flights)7110a11 a.m. departures: too few flights (28 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (38 flights)4p5 p.m. departures: 56% on time (254 flights)565p6 p.m. departures: too few flights (29 flights)6p
BHM → DCA, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On BHM → DCA, each airline's last flight of the day was cancelled 8.4% of the time, against 4.2% for its earlier flights (2.0× as often). It arrived 3+ hours late 3.1% of the time (earlier flights: 3.7%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines5:33 p.m.8.4%3.1%4.2%first flight 6:00 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in DCA tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: October (88%). Worst: July (66%).

40%70%100%Jan: 68% on time (232 flights)68JanFeb: 68% on time (229 flights)68FebMar: 75% on time (259 flights)75MarApr: 79% on time (253 flights)79AprMay: 74% on time (261 flights)74MayJun: 71% on time (252 flights)71JunJul: 66% on time (259 flights)66JulAug: 72% on time (253 flights)72AugSep: 80% on time (255 flights)80SepOct: 88% on time (269 flights)88OctNov: 84% on time (253 flights)84NovDec: 74% on time (250 flights)74Dec

By day of week

DayFlightsOn timeCancelled
Monday15774%8.3%
Tuesday15574%7.1%
Wednesday15376%2.6%
Thursday15263%4.0%
Friday15565%7.1%
Saturday11279%3.6%
Sunday15665%5.8%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 36%Airline (crew, maintenance, ops) 35%Severe weather 17%Air traffic & airport (NAS) 13%

Cancellations: weather 42 · air traffic/airport 12 · airline 4

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Jan 27, 202630%3
Sep 2, 202530%0
Aug 3, 202630%3
Aug 7, 202630%2
Feb 27, 202630%0

Questions

How often are flights from BHM to DCA on time?

70% of 1,040 scheduled flights from Birmingham, AL to Washington, DC arrived within 15 minutes of schedule between September 2025 and August 2026. 5.6% were cancelled.

What is the best time of day to fly BHM to DCA?

Flights scheduled to leave at 6 a.m. were the most reliable (85% on time). The 5 p.m. departures were the least (56%).

What month has the most delays from BHM to DCA?

July (66% on time). The best month is October (88%), over 2023–2026.

Is the last flight of the day from BHM to DCA more likely to be cancelled?

Yes. Each airline's last BHM–DCA flight of the day was cancelled 8.4% of the time over the past year, against 4.2% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.