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Route · BGR → ORD · 2020–2025 BTS data

Bangor to Chicago

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BGR to ORD (Bangor to Chicago) ranks #3742 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.8%
On-time
-2.2 pts
vs US avg
84 min
Delay when late
2,131
Flights
#3742 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Oct 2021 92%

Worst Month

Jun 2024 53%

Distance

978 mi

Carriers

12

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Oct 2025 110 25 0 0 AA,YX,MQ
Sep 2025 109 28 0 0 MQ,YX,AA
Aug 2025 109 27 2 0 OO,YX,MQ
Jul 2025 122 38 1 0 YX,MQ
Jun 2025 72 29 0 0 YX,MQ
Oct 2024 35 7 0 0 MQ,OO
Sep 2024 79 17 0 0 OO,MQ
Aug 2024 92 36 0 0 MQ,YX,OO
Jul 2024 74 32 1 0 MQ,OO,YX
Jun 2024 62 29 1 0 MQ,OO,YX
Oct 2023 41 8 0 0 MQ,OO,YX
Sep 2023 63 12 4 0 MQ,OO,YX
Aug 2023 64 16 0 0 MQ,OO
Jul 2023 67 27 2 0 MQ,YX,OO
Jun 2023 63 12 0 0 MQ,OO
Sep 2022 54 7 0 0 OO,MQ,YX,AA
Aug 2022 66 11 2 1 MQ,OO,YX
Jul 2022 66 13 0 0 OO,MQ,YX
Jun 2022 60 10 1 1 OO,MQ,YX
Oct 2021 93 7 5 0 OO,MQ,YX
Sep 2021 141 11 0 1 OO,MQ,YX
Aug 2021 134 29 12 0 OO,MQ,YX
Jul 2021 127 20 3 0 MQ,YX
Jun 2021 113 38 0 0 MQ,YX

BGR–ORD seasonal on-time pattern

Best: May (96.9%) · weakest: June (68.1%)

60%70%80%90%100% MayJunJulAugSepOct 84.2%

Strongest calendar month

May

96.9% on-time · ~32 flights/mo

Busiest calendar month

August

~93 flights/mo avg

Weakest calendar month

June

68.1% on-time · ~74 flights/mo

Cancellation Rate

1.7%

34 of 2,016 flights

Diversion Rate

0.1%

3 of 2,016 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

BGR - Bangor

Full on-time, delay-cause, and seasonal performance for Bangor, ME.

BGR on-time profile

ORD - Chicago

Full on-time, delay-cause, and seasonal performance for Chicago, IL.

ORD on-time profile

Compare the two airports

See BGR and ORD side by side on delays, cancellations, and reliability.

Compare BGR vs ORD

Origin-hub reliability standing

Mid-pack among BGR departures

From BGR, this corridor sits with 5 other 75–85% on-time routes out of 7 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 0 below 75%). Destination: Chicago · fleet on-time rank #4126 of 4927.

What the Data Says About BGR to ORD

The Bangor to Chicago corridor (BGR to ORD) posts a 76.8% on-time rate on the lower edge of the average band, based on 2,131 tracked flights. Late flights run 84.0 minutes behind on average. 12 carriers cover the 978-mile route; over the last 24 months, 34 of 2,016 flights were cancelled (1.7%) and 0.1% diverted.

The monthly split is wide on this route: Oct 2021 posted the strongest performance at 92% on-time, while Jun 2024 came in at just 53% - a 39-point swing worth factoring into travel timing.

On the multi-year calendar, BGR–ORD peaks in May at 96.9% on-time while August carries the heaviest traffic (~93 flights per month) ; the softest month is June at 68.1%, a 28.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BGR to ORD rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BGR to ORD ranks #3742 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from BGR to ORD? ▼
Flights from Bangor to Chicago have a 76.8% on-time rate based on 2,131 flights. The average delay is 84.0 minutes. The best recent month was Oct 2021 with 92% on-time.
What is the cancellation rate for BGR to ORD? ▼
Over the last 24 months, 1.7% of flights on this route were cancelled (34 of 2,016 flights) and 0.1% were diverted.
How far is the flight from BGR to ORD? ▼
The flight distance from Bangor (BGR) to Chicago (ORD) is approximately 978 miles. This route is served by 12 carriers.
When is the best time to fly from BGR to ORD? ▼
The best recent month for on-time performance was Oct 2021 (92% on-time). The worst was Jun 2024 (53% on-time). Consider booking during months with historically better performance.

Airports on this route

BGR Airport

Bangor
ORD Airport

Chicago
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using BGR–ORD data

BGR–ORD is mid-pack at 76.8% on-time; month and carrier mix move more than the corridor headline.

  • Compare BGR and ORD airport profiles: delay causes and top routes differ even on the same corridor. BGR airport
  • If your dates flex, May (96.9% on-time) beats June (68.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.8% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

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

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.