Bangor (BGR) to Chicago (ORD): On-Time Performance
Data through May 2026
The calendar drives reliability on BGR–ORD. May 2025 flights landed on schedule 88% of the time, but June 2024 dropped to 53% — a gap of 36 points. Across the full period the route averages 71% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 46%), which matters most in the rough months.
- On-time
- 71%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 1.8
- last 12 months
- Duration
- 3h 7m
- scheduled
- Distance
- 978 mi
Best airline from BGR to ORD
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 76% | 23 min | 0.6% | 172 |
| American Airlines | 72% | 27 min | 1.5% | 132 |
| Republic Airways | 72% | 26 min | 0.8% | 354 |
| Envoy Air | 67% | 19 min | 0.3% | 356 |
Monthly on-time trend
Best time to fly from BGR to ORD
Aim for departures around 9 a.m. (93% on-time); avoid 5 p.m. departures (44%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 27 min |
| Tuesdaybest | 78% | 15 min |
| Wednesday | 73% | 19 min |
| Thursday | 71% | 23 min |
| Friday | 64% | 25 min |
| Saturday | 70% | 18 min |
| Sunday | 71% | 33 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft32%
- Airline operations16%
- National airspace system48%
- Weather4%
Frequently asked questions
- How often are flights from BGR to ORD delayed?
- 29% of BGR–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 23 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 172 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 9 a.m. have the best record (93% on-time), while departures around 5 p.m. have the worst (44%). 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 7m over 978 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are BGR to ORD flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from BGR to ORD?
- June 2024 was the roughest month in this dataset, with only 53% of arrivals on time. The best was May 2025 at 88%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 1,014 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.