Best time to fly out of Bangor (BGR)

The early-flight folk wisdom holds up at Bangor: departures in the 6–8am band left on time 91.6% of the time, against 71.2% in the 6–8pm band. These are historical odds, not forecasts. The records say what happened on this schedule over three years; they know nothing about tomorrow’s thunderstorm.

Data through June 2026 · Bureau of Transportation Statistics

On-time rate by hour and day

On this page, “on time” means a departure that pushed back less than 15 minutes behind its scheduled time — the Bureau of Transportation Statistics definition, and the one airlines are held to.

Share of departures that left on time, by hour band and day of week.
Departure time MonTueWedThuFriSatSun
Before 6am 93 86 96 93 94 91 85
6–8am 91 90 93 93 94 93 88
8–10am – – – – – – –
10am–12pm 85 – 88 89 80 84 83
12–2pm 76 84 85 84 81 77 78
2–4pm 77 87 80 78 70 78 75
4–6pm 73 81 78 74 69 74 69
6–8pm 71 – – 75 75 63 72
8–10pm – – – – – – –
10pm–12am – – – – – – –
fewer left on time more left on time

The steadiest stretch at BGR was 6–8am — 91.6% of departures left on time across 1,641 flights. The weakest was 6–8pm at 71.2%. 6–8am departures from BGR left on time 91.6% of the time across 1,641 flights; 6–8pm departures, 71.2% across 779. That is a gap of 20.4 points, and it is the whole case for the early flight.

The year at BGR

July was the hard month at BGR: 74.1% of departures left on time, across 1,663 flights. November was the easy one at 87.4%. Each month pools three years of that month, so a single bad week does not decide it.

Share of departures that left on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 81.5%.
Departure on-time share at BGR by calendar month
Month Share departures that left on time Flights
January 81.5% 553
February 79.7% 571
March 76% 624
April 85% 657
May 84.6% 760
June 78.8% 1,359
July 74.1% 1,663
August 80.2% 1,746
September 84.7% 1,652
October 86.5% 1,471
November 87.4% 743
December 81.6% 650

Airlines at BGR

Every airline with at least 100 departures from BGR, busiest first. These are that airline’s departures from this airport only — its record across the country sits on its own page.

Airline Left on time Typical delay Cancelled Departures
Republic Airways 84.8% 94 min 4.5% 3,059
PSA Airlines 79.3% 121 min 5% 2,800
American Airlines 77.4% 108 min 1.7% 2,078
Endeavor Air 89.1% 95 min 4.2% 1,830
Allegiant Air 77.5% 88 min 1.6% 1,724
Envoy Air 77.8% 59 min 2.6% 586
SkyWest Airlines 81.9% 98 min 1.6% 320

Endeavor Air (through December 2024) stopped filing before June 2026. Its row covers a shorter run of months than the rest of the table, so its figure is not set against the others anywhere on this page.

What delays out of BGR were put down to

Airlines file a reason with every arrival running 15 minutes late or more. Across 2,603 flights that departed BGR and ran 15 minutes late or more, the delay minutes break down with 38.7% put down to late-arriving aircraft and 28.7% to air traffic & airport volume.

Late-arriving aircraft 38.7% Airline operations 26.2% Air traffic & airport volume 28.7% Severe weather 6.3% Security 0.2%
  • Late-arriving aircraft 38.7%
  • Airline operations 26.2%
  • Air traffic & airport volume 28.7%
  • Severe weather 6.3%
  • Security 0.2%

Late-arriving aircraft is the knock-on category: the plane came in late, so it went out late again. It is why a 7am problem in Newark is still a problem in Denver at dinnertime, and why it is usually the biggest slice on the bar.

If you are connecting through BGR

Of 12,447 scheduled arrivals into BGR, 76.6% reached the gate less than 15 minutes behind schedule. Of the 2,452 arrivals that ran late, 53.5% were no more than 45 minutes behind — which is the difference between a tight connection and a new boarding pass.

Work out a specific layover — pick the airport and the minutes you have, and the tool reads the same arrival records back as a share.

Busiest routes out of BGR

Ranked by flights, with the share that arrived on time at the far end. Where a route carries enough flights for a page of its own the chip goes there; otherwise it goes to the destination airport.

BGR in one number

Bangor (BGR)

Rank 155 of 363 US airports by departures. Steadiest stretch of the day: 6–8am. Hardest month: July.

July 2023–June 2026 · 12,010 departures flown

81.5% of departures left on time

Questions about BGR

What is the best time of day to fly out of Bangor?
6–8am. Departures in that band left on time 91.6% of the time across 1,641 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 6–8pm band was the weakest at 71.2%.
Is the early flight out of BGR really more reliable?
6–8am departures from BGR left on time 91.6% of the time across 1,641 flights; 6–8pm departures, 71.2% across 779. That is a gap of 20.4 points, and it is the whole case for the early flight.
What is the worst month to fly out of BGR?
July: 74.1% of the departures that flew left on time, with 1,663 scheduled. November was the other end of the year at 87.4%. Each figure pools three years of that calendar month.
Which airline is most on time at BGR?
Republic Airways — 84.8% of its 3,059 departures from BGR left on time. American Airlines sat at the other end at 77.4% over 2,078 flights. Only airlines with at least 100 departures here are ranked. Airlines that stopped filing before June 2026 are left out of the ranking — their figures cover a shorter run of months than the rest of the table.
How often are flights cancelled at BGR?
3.5% of scheduled departures were cancelled over July 2023 through June 2026. Cancellations are counted against everything scheduled, not against everything that flew — a rate that looks small still adds up to real people in a rebooking line.