ON TIMEBOARD

CAE → DCA on time

Columbia Metropolitan (Columbia, SC) to Washington Reagan National (Washington, DC). Every scheduled flight, September 2025 to August 2026.

On time
68%
arrived < 15 min late
Cancelled
5.5%
1,093 flights
Typical arrival
−9 min
median vs schedule
When late
+107 min
average delay
Flights / day
3
1 airline

68% of flights from Columbia 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 88% of the time; the 6 p.m. ones 42%. 17% 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 CAE → DCA: when a flight was late, it was under 45 minutes late 44% of the time. About 1 in 9 flights landed an hour or more late, and 1 in 33 three hours or more; 5.5% were cancelled outright.

Share of all 1,093 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines1,09368%5.5%−9 min10.6%+107 minPSA Airlines 85%, Republic Airways 11%, Envoy 4%

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 CAE). Delays build through the day as late planes knock on, so early flights usually do best.

30%65%100%5 a.m. departures: too few flights (41 flights)5a6 a.m. departures: 88% on time (263 flights)886a7 a.m. departures: too few flights (46 flights)7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights (38 flights)9a10 a.m. departures: 72% on time (248 flights)7210a11 a.m. departures: too few flights (76 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights (28 flights)1p2 p.m. departures: too few flights (43 flights)2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (4 flights)4p5 p.m. departures: too few flights5p6 p.m. departures: 42% on time (100 flights)426p7 p.m. departures: 43% on time (206 flights)437p
CAE → 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 CAE → DCA, each airline's last flight of the day was cancelled 10.5% of the time, against 3.0% for its earlier flights (3.5× as often). It arrived 3+ hours late 3.9% of the time (earlier flights: 2.6%). 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 Airlines6:48 p.m.10.5%3.9%3.0%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 (80%). Worst: July (56%).

40%70%100%Jan: 62% on time (258 flights)62JanFeb: 60% on time (239 flights)60FebMar: 73% on time (259 flights)73MarApr: 74% on time (257 flights)74AprMay: 75% on time (264 flights)75MayJun: 70% on time (251 flights)70JunJul: 56% on time (259 flights)56JulAug: 67% on time (262 flights)67AugSep: 78% on time (302 flights)78SepOct: 80% on time (315 flights)80OctNov: 75% on time (291 flights)75NovDec: 64% on time (269 flights)64Dec

By day of week

DayFlightsOn timeCancelled
Monday16868%7.1%
Tuesday16467%7.3%
Wednesday16374%2.5%
Thursday16168%5.0%
Friday16361%4.3%
Saturday11073%6.4%
Sunday16468%6.1%

Why flights were late

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

Late inbound plane 47%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 12%Severe weather 8%

Cancellations: weather 47 · air traffic/airport 10 · airline 2 · security 1

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 79% on time, 1.9% cancelledOct 2023: 83% on time, 0.9% cancelledNov 2023: 90% on time, 1.0% cancelledNov 2024: 67% on time, 0.0% cancelledSep 2025: 80% on time, 1.8% cancelledOct 2025: 72% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
CAE → DCA, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AA 56036:00 a.m.25883%4.7%−17 minPSA Airlines
AA 50957:26 p.m.18849%11.7%+8 minPSA Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 30, 202630%0
Mar 3, 202630%3
Jan 27, 202630%2
Dec 5, 202530%0
Feb 12, 202630%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Columbia or Washington. CAE → IAD has been 12 points more reliable.

RouteFlightsOn timeCancelled
CAE → DCA (this route)1,09368%5.5%
CAE → IAD Columbia Metropolitan to Washington Dulles90880%2.0%

Questions

How often are flights from CAE to DCA on time?

68% of 1,093 scheduled flights from Columbia, SC to Washington, DC arrived within 15 minutes of schedule between September 2025 and August 2026. 5.5% were cancelled.

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

Flights scheduled to leave at 6 a.m. were the most reliable (88% on time). The 6 p.m. departures were the least (42%).

What month has the most delays from CAE to DCA?

July (56% on time). The best month is October (80%), over 2023–2026.

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

Yes. Each airline's last CAE–DCA flight of the day was cancelled 10.5% of the time over the past year, against 3.0% 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.