ON TIMEBOARD

DCA → BTV on time

Washington Reagan National (Washington, DC) to Patrick Leahy Burlington (Burlington, VT). Every scheduled flight, September 2025 to August 2026.

On time
63%
arrived < 15 min late
Cancelled
5.5%
1,119 flights
Typical arrival
−4 min
median vs schedule
When late
+81 min
average delay
Flights / day
3
1 airline

63% of flights from Washington to Burlington arrived on time over the past 12 months. That is worse than the typical U.S. route. The 9 a.m. departures ran on time 71% of the time; the 10 p.m. ones 53%. 19% 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 DCA → BTV: when a flight was late, it was under 45 minutes late 44% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 45 three hours or more; 5.5% were cancelled outright.

Share of all 1,119 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines1,11963%5.5%−4 min12.9%+81 minPSA Airlines 74%, American Airlines 16%, Republic Airways 10%, Envoy 0%

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

40%70%100%9 a.m. departures: 71% on time (128 flights)719a10 a.m. departures: 69% on time (224 flights)6910a11 a.m. departures: too few flights (1 flights)11anoon departures: too few flights (62 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: 60% on time (286 flights)602p3 p.m. departures: too few flights (68 flights)3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights (13 flights)7p8 p.m. departures: too few flights (37 flights)8p9 p.m. departures: too few flights (2 flights)9p10 p.m. departures: 53% on time (297 flights)5310p
DCA → BTV, 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 DCA → BTV, each airline's last flight of the day was cancelled 9.6% of the time, against 3.5% for its earlier flights (2.8× as often). It arrived 3+ hours late 2.2% of the time (earlier flights: 2.3%). 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 Airlines10:15 p.m.9.6%2.2%3.5%first flight 9:59 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 BTV tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: September (83%). Worst: July (58%).

40%70%100%Jan: 70% on time (316 flights)70JanFeb: 68% on time (299 flights)68FebMar: 74% on time (326 flights)74MarApr: 79% on time (311 flights)79AprMay: 75% on time (325 flights)75MayJun: 71% on time (320 flights)71JunJul: 58% on time (327 flights)58JulAug: 70% on time (330 flights)70AugSep: 83% on time (343 flights)83SepOct: 82% on time (356 flights)82OctNov: 77% on time (291 flights)77NovDec: 66% on time (288 flights)66Dec

By day of week

DayFlightsOn timeCancelled
Monday16864%6.6%
Tuesday15862%7.0%
Wednesday16363%3.1%
Thursday16260%6.2%
Friday16454%5.5%
Saturday14075%3.6%
Sunday16465%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 51%Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 11%Severe weather 4%Security 1%

Cancellations: weather 44 · air traffic/airport 14 · airline 3

Month by month

40%70%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 83% on time, 1.8% cancelledOct 2023: 86% on time, 0.0% cancelledJan 2024: 72% on time, 6.5% cancelledFeb 2024: 86% on time, 0.0% cancelledMar 2024: 84% on time, 1.8% cancelledApr 2024: 81% on time, 1.8% cancelledMay 2024: 81% on time, 0.0% cancelledJun 2024: 84% on time, 0.0% cancelledJul 2024: 70% on time, 4.2% cancelledAug 2024: 75% on time, 3.4% cancelledSep 2024: 90% on time, 0.0% cancelledOct 2024: 83% on time, 0.0% cancelledNov 2024: 84% on time, 0.0% cancelledDec 2024: 69% on time, 2.6% cancelledJan 2025: 67% on time, 9.2% cancelledFeb 2025: 54% on time, 12.0% cancelledMar 2025: 73% on time, 0.8% cancelledApr 2025: 84% on time, 0.9% cancelledMay 2025: 72% on time, 3.4% cancelledJun 2025: 67% on time, 2.6% cancelledJul 2025: 63% on time, 8.6% cancelledAug 2025: 75% on time, 3.4% cancelledSep 2025: 78% on time, 0.9% cancelledOct 2025: 76% on time, 0.9% cancelled
Share of flights on time, by month (hover a point for cancellations)
DCA → BTV, monthly on-time and cancellation rate.

Worst days in the past year

DateFlightsOn timeCancelled
Jan 25, 202630%3
Jun 12, 202630%2
Feb 20, 202630%0
Dec 15, 202530%0
Feb 27, 202630%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Washington or Burlington. IAD → BTV has been 13 points more reliable.

RouteFlightsOn timeCancelled
DCA → BTV (this route)1,11963%5.5%
IAD → BTV Washington Dulles to Patrick Leahy Burlington1,22376%2.3%

Questions

How often are flights from DCA to BTV on time?

63% of 1,119 scheduled flights from Washington, DC to Burlington, VT 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 DCA to BTV?

Flights scheduled to leave at 9 a.m. were the most reliable (71% on time). The 10 p.m. departures were the least (53%).

What month has the most delays from DCA to BTV?

July (58% on time). The best month is September (83%), over 2023–2026.

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

Yes. Each airline's last DCA–BTV flight of the day was cancelled 9.6% of the time over the past year, against 3.5% 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.