ON TIMEBOARD

BGR → PHL on time

Bangor (Bangor, ME) to Philadelphia (Philadelphia, PA). Every scheduled flight, September 2025 to August 2026.

On time
79%
arrived < 15 min late
Cancelled
3.5%
1,242 flights
Typical arrival
−14 min
median vs schedule
When late
+146 min
average delay
Flights / day
3
1 airline

79% of flights from Bangor to Philadelphia arrived on time over the past 12 months. That is about the typical U.S. route. The 7 a.m. departures ran on time 90% of the time; the 3 p.m. ones 65%. 12% 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 BGR → PHL: when a flight was late, it was under 45 minutes late 41% of the time. About 1 in 12 flights landed an hour or more late, and 1 in 30 three hours or more; 3.5% were cancelled outright.

Share of all 1,242 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines1,24279%3.5%−14 min8.6%+146 minPiedmont Airlines 64%, PSA Airlines 20%, American Airlines 16%

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

40%70%100%5 a.m. departures: 80% on time (100 flights)805a6 a.m. departures: 80% on time (240 flights)806a7 a.m. departures: 90% on time (148 flights)907a8 a.m. departures: too few flights (15 flights)8a9 a.m. departures: too few flights (29 flights)9a10 a.m. departures: too few flights (3 flights)10a11 a.m. departures: 84% on time (105 flights)8411anoon departures: 74% on time (153 flights)7412p1 p.m. departures: too few flights (99 flights)1p2 p.m. departures: too few flights2p3 p.m. departures: 65% on time (120 flights)653p4 p.m. departures: too few flights (97 flights)4p5 p.m. departures: too few flights (26 flights)5p6 p.m. departures: 86% on time (107 flights)866p
BGR → PHL, 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 BGR → PHL, each airline's last flight of the day was cancelled 5.5% of the time, against 2.7% for its earlier flights (2.0× as often). It arrived 3+ hours late 3.6% of the time (earlier flights: 3.2%). 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 Airlines4:49 p.m.5.5%3.6%2.7%first flight 5:45 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 PHL tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: November (91%). Worst: August (67%).

40%70%100%Jan: 76% on time (192 flights)76JanFeb: 82% on time (206 flights)82FebMar: 79% on time (265 flights)79MarApr: 83% on time (259 flights)83AprMay: 82% on time (254 flights)82MayJun: 76% on time (281 flights)76JunJul: 71% on time (289 flights)71JulAug: 67% on time (371 flights)67AugSep: 80% on time (302 flights)80SepOct: 84% on time (280 flights)84OctNov: 91% on time (228 flights)91NovDec: 71% on time (234 flights)71Dec

By day of week

DayFlightsOn timeCancelled
Monday18774%7.5%
Tuesday17680%3.4%
Wednesday17484%2.3%
Thursday18078%5.0%
Friday18481%2.2%
Saturday16681%1.2%
Sunday17573%2.9%

Why flights were late

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

Airline (crew, maintenance, ops) 45%Late inbound plane 37%Air traffic & airport (NAS) 16%Severe weather 1%Security 1%

Cancellations: weather 38 · airline 3 · air traffic/airport 3

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Aug 2024: 66% on time, 6.0% cancelledSep 2024: 85% on time, 1.0% cancelledOct 2024: 89% on time, 0.0% cancelledJul 2025: 70% on time, 4.0% cancelledAug 2025: 71% on time, 0.9% cancelledSep 2025: 83% on time, 1.8% cancelledMar 2026: 71% on time, 4.3% cancelledApr 2026: 91% on time, 0.0% cancelledMay 2026: 88% on time, 0.8% cancelledJun 2026: 87% on time, 1.7% cancelledAug 2026: 65% on time, 9.5% cancelled
Share of flights on time, by month (hover a point for cancellations)
BGR → PHL, 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 25366:30 a.m.13281%4.5%−14 minAmerican Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Mar 23, 202640%0
Feb 23, 202640%4
Mar 12, 202640%3
Aug 3, 202630%0
Dec 14, 202530%0

Questions

How often are flights from BGR to PHL on time?

79% of 1,242 scheduled flights from Bangor, ME to Philadelphia, PA arrived within 15 minutes of schedule between September 2025 and August 2026. 3.5% were cancelled.

What is the best time of day to fly BGR to PHL?

Flights scheduled to leave at 7 a.m. were the most reliable (90% on time). The 3 p.m. departures were the least (65%).

What month has the most delays from BGR to PHL?

August (67% on time). The best month is November (91%), over 2023–2026.

Is the last flight of the day from BGR to PHL more likely to be cancelled?

Yes. Each airline's last BGR–PHL flight of the day was cancelled 5.5% of the time over the past year, against 2.7% 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.