Bangor (BGR) to Chicago (ORD): On-Time Performance
Data through July 2026
The calendar drives reliability on BGR–ORD. May 2025 flights landed on schedule 88% of the time, but July 2024 dropped to 56% — a gap of 32 points. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 47%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 26 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 1.9
- last 12 months
- Duration
- 3h 8m
- scheduled
- Distance
- 978 mi
Best airline from BGR to ORD
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 76% | 24 min | 1.5% | 259 |
| American Airlines | 75% | 44 min | 2.3% | 222 |
| Republic Airways | 74% | 25 min | 1.1% | 380 |
| Envoy Air | 71% | 17 min | 0.3% | 330 |
Monthly on-time trend
Best time to fly from BGR to ORD
Aim for departures around 7 a.m. (96% on-time); avoid 5 p.m. departures (46%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 28 min |
| Tuesdaybest | 79% | 13 min |
| Wednesday | 78% | 21 min |
| Thursday | 76% | 19 min |
| Friday | 66% | 28 min |
| Saturday | 72% | 22 min |
| Sunday | 74% | 49 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft28%
- Airline operations30%
- National airspace system39%
- Weather4%
Frequently asked questions
- How often are flights from BGR to ORD delayed?
- 26% of BGR–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 26 minutes.
- Which airline is most reliable from BGR to ORD?
- SkyWest Airlines has the best on-time record on this route at 76%, based on 259 flights. 4 airlines flew BGR–ORD frequently enough to compare in this period.
- What is the best time of day to fly from BGR to ORD?
- Departures around 7 a.m. have the best record (96% on-time), while departures around 5 p.m. have the worst (46%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BGR to ORD?
- The scheduled BGR–ORD flight time averages 3h 8m over 978 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are BGR to ORD flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from BGR to ORD?
- July 2024 was the roughest month in this dataset, with only 56% of arrivals on time. The best was May 2025 at 88%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 1,196 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.