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Route · ORD → BGR · 2020–2025 BTS data

Chicago to Bangor

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ORD to BGR (Chicago to Bangor) ranks #3744 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.4%
On-time
+3.4 pts
vs US avg
66 min
Delay when late
2,129
Flights
#3744 of 4927
Corpus placement

Cancelled

1.1%

Best Month

Jun 2023 92%

Worst Month

Aug 2021 71%

Distance

978 mi

Carriers

12

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Oct 2025 109 22 0 0 AA,YX,MQ
Sep 2025 108 14 0 0 MQ,YX,AA
Aug 2025 109 15 1 2 OO,YX,MQ
Jul 2025 122 24 0 0 YX,MQ
Jun 2025 72 16 0 0 YX,MQ
Oct 2024 35 7 0 0 MQ,OO
Sep 2024 79 11 0 0 OO,MQ
Aug 2024 92 22 0 0 MQ,YX,OO
Jul 2024 74 20 0 0 MQ,OO,YX
Jun 2024 62 15 0 0 MQ,OO,YX
Oct 2023 40 2 0 0 MQ,OO,YX
Sep 2023 64 12 2 0 MQ,OO,YX
Aug 2023 64 14 0 0 MQ,OO
Jul 2023 67 15 2 0 MQ,YX,OO
Jun 2023 63 5 0 0 MQ,OO
Sep 2022 54 5 0 0 OO,MQ,YX,AA
Aug 2022 66 12 2 0 MQ,OO,YX
Jul 2022 66 11 0 0 OO,MQ,YX
Jun 2022 60 10 1 0 OO,MQ,YX
Oct 2021 92 18 6 0 OO,MQ,YX
Sep 2021 140 14 1 0 MQ,YX
Aug 2021 135 39 4 0 OO,MQ,YX
Jul 2021 127 24 2 0 MQ,YX
Jun 2021 114 24 1 0 MQ,YX

ORD–BGR seasonal on-time pattern

Best: May (96.9%) · weakest: August (78.1%)

75%80%85%90%95%100% MayJunJulAugSepOct 83.1%

Strongest calendar month

May

96.9% on-time · ~32 flights/mo

Busiest calendar month

August

~93 flights/mo avg

Weakest calendar month

August

78.1% on-time · ~93 flights/mo

Cancellation Rate

1.1%

22 of 2,014 flights

Diversion Rate

0.1%

2 of 2,014 flights

Explore origin & destination

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

ORD - Chicago

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

ORD on-time profile

BGR - Bangor

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

BGR on-time profile

Compare the two airports

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

Compare ORD vs BGR

Origin-hub reliability standing

Mid-pack among ORD departures

From ORD, this corridor sits with 147 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 11 below 75%). Destination: Bangor · fleet on-time rank #2198 of 4927.

What the Data Says About ORD to BGR

Bureau of Transportation Statistics records show Chicago to Bangor (ORD to BGR) running a 82.4% on-time rate over 2,129 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 65.5 minutes. The 978-mile corridor is served by 12 carriers, and over the last 24 months 1.1% of 2,014 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Jun 2023 posted the strongest performance at 92% on-time, while Aug 2021 came in at just 71% - a 21-point swing worth factoring into travel timing.

On the multi-year calendar, ORD–BGR peaks in May at 96.9% on-time while August carries the heaviest traffic (~93 flights per month) ; the softest month is August at 78.1%, a 18.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ORD to BGR rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ORD to BGR ranks #3744 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 ORD to BGR? ▼
Flights from Chicago to Bangor have a 82.4% on-time rate based on 2,129 flights. The average delay is 65.5 minutes. The best recent month was Jun 2023 with 92% on-time.
What is the cancellation rate for ORD to BGR? ▼
Over the last 24 months, 1.1% of flights on this route were cancelled (22 of 2,014 flights) and 0.1% were diverted.
How far is the flight from ORD to BGR? ▼
The flight distance from Chicago (ORD) to Bangor (BGR) is approximately 978 miles. This route is served by 12 carriers.
When is the best time to fly from ORD to BGR? ▼
The best recent month for on-time performance was Jun 2023 (92% on-time). The worst was Aug 2021 (71% on-time). Consider booking during months with historically better performance.

Airports on this route

ORD Airport

Chicago
BGR Airport

Bangor
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 ORD–BGR data

ORD–BGR runs 3.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ORD and BGR airport profiles: delay causes and top routes differ even on the same corridor. ORD airport
  • If your dates flex, May (96.9% on-time) beats August (78.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.4% 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.