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Airport · BGR · Bangor, Maine

Bangor, ME

Bangor, ME posts below-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 47,532 flights (2020–2025); its biggest delay driver is late aircraft.

Data updated 2026-06-13

83%
On-time
Top 55%
on-time, US airports
85 min
Delay when late
1.93%
Cancelled

Key Performance Metrics

Total Flights

47,532

Best Month

May 94.5%

Worst Month

Jul 89%

Delayed

8,098

Cancelled

919

BGR on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%83%

Where BGR sits among all 382 tracked airports

BGR's 83% on-time rate falls in the 80-85% band, the 192-airport band it shares.

National on-time-rate distribution

airports

What this shows BGR is marked in the 80-85% band.

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 375,799.

Late Aircraft 36.5% (137,268 min)
Carrier 27.4% (103,083 min)
NAS (National Aviation System) 30.0% (112,894 min)
Weather 5.8% (21,970 min)
Security 0.2% (584 min)

BGR - seasonal on-time pattern

Best: May (94.5%) · worst: July (89%)

88%90%92%94%96% JanFebMarAprMayJunJulAugSepOctNovDec 92.5%

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: May (94.5% on-time). Most delays: July (89% on-time).

Month Avg Flights Avg Delayed Avg Cancelled On-Time %
December 446 72 7 92.5%
November 486 64 2 94%
October 844 117 4 92.6%
September 949 127 10 93.1%
August 1,046 194 19 90.9%
July 1,010 235 27 89%
June 846 175 22 90.4%
May 552 80 9 94.5%
April 494 70 15 93.8%
March 460 79 13 91.7%
February 394 71 9 91.4%
January 395 67 17 92.6%

Year-Over-Year Performance

Annual flight volume and on-time trends at BGR.

BGR - on-time rate by year

2020–2025, year-over-year trend.

88%90%92%94%96% 202020212022202320242025 95% 89.8% ▼ -5.5%
Year Flights Delayed Cancelled On-Time %
2025 7,307 747 131 89.8%
2024 9,272 748 155 91.9%
2023 9,429 676 180 92.8%
2022 9,907 809 237 91.8%
2021 7,619 661 66 91.3%
2020 3,998 200 150 95%

Cancellation & Diversion Analysis

Flight disruption statistics for Bangor, ME.

Cancellation Rate

1.93%

919 of 47,532 flights

Diversion Rate

0.14%

67 of 47,532 flights

Delay Rate

17.0%

8,098 of 47,532 flights

Monthly Performance

Recent 24 months of flight data.

Period Flights Dep Delayed Arr Delayed Cancelled Diverted
Dec 2025 292 34 43 12 2
Nov 2025 330 44 38 2 0
Oct 2025 939 83 79 2 1
Sep 2025 1,035 86 77 5 0
Aug 2025 1,125 127 113 10 0
Jul 2025 1,098 129 126 36 4
Jun 2025 690 79 92 26 0
May 2025 366 31 39 8 0
Apr 2025 382 33 47 0 2
Mar 2025 371 43 44 3 1
Feb 2025 347 39 42 15 0
Jan 2025 332 19 32 12 0
Dec 2024 532 51 60 3 1
Nov 2024 615 27 46 0 0
Oct 2024 1,095 75 58 7 1
Sep 2024 1,187 67 72 5 2
Aug 2024 1,287 123 149 43 2
Jul 2024 1,178 142 176 33 1
Jun 2024 1,025 105 124 23 2
May 2024 446 20 46 5 2
Apr 2024 442 22 41 2 1
Mar 2024 514 48 46 7 1
Feb 2024 470 33 37 4 2
Jan 2024 481 35 48 23 0

Top Routes from BGR

Busiest routes to and from Bangor, ME.

What the Data Says About BGR

Bangor, ME in Bangor, Maine handled 47,532 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 83% on-time departure rate. Of those flights, 8,098 experienced delays, 919 were cancelled, and 67 were diverted. The cancellation rate works out to 1.93%, the diversion rate to 0.14%, and the average delay when departures run late is 85.0 minutes. These figures are the baseline for comparing BGR against other airports in the same state and nationally.

Breaking down what drives delays at BGR, Late Aircraft leads the pack. Late Aircraft accounts for 36.5% of total delay minutes, followed by NAS (National Aviation System) at 30.0% and Carrier at 27.4%. Weather contributes 5.8% of delay minutes at this airport, while security holds the smallest share at 0.2%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, May runs the cleanest at BGR with a 94.5% on-time rate, while July is the roughest at 89% - a 6-point swing between best and worst month. Volume peaks in August, when average flights hit 1,046. The busiest route connecting BGR is to DCA (Washington), with 4,963 flights at a 79.7% on-time rate. Combine these numbers - 83% on-time, 85.0-minute average delay, 1.93% cancellation rate, and you have a concrete picture of departure reliability at Bangor, ME.

Frequently Asked Questions

What is the on-time performance rate at Bangor, ME (BGR)?
Bangor, ME has an overall on-time departure rate of 83%. Out of 47,532 total flights tracked, 8,098 experienced delays and 919 were cancelled.
What is the most common cause of delays at BGR?
The top delay cause at Bangor, ME is Late Aircraft. Late Aircraft accounts for 36.5% of all delay minutes.
What is the average delay time at BGR?
The average delay at Bangor, ME is 85.0 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.
What is the best month to fly from BGR?
Based on historical data, May has the best on-time performance at BGR with 94.5% of flights departing on time.
What is the worst month for delays at BGR?
July tends to have the most delays at BGR, with an on-time rate of only 89%.
How many routes operate from BGR?
Bangor, ME serves at least 14 routes. The busiest route is BGR to DCA (Bangor - Washington) with 4,963 flights.
What is the cancellation rate at BGR?
Bangor, ME has a cancellation rate of 1.93%, based on 919 cancelled flights out of 47,532 total flights tracked.

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Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Using BGR's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.