Chicago (ORD) to Bangor (BGR): On-Time Performance
Data through May 2026
When you fly ORD to BGR matters as much as anything else about the booking: the route swung from 88% on-time in May 2025 to just 69% in April 2026. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 73%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.3%
- Flights/day
- 1.8
- last 12 months
- Duration
- 2h 42m
- scheduled
- Distance
- 978 mi
Best airline from ORD to BGR
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 83% | 12 min | 0.3% | 352 |
| Envoy Air | 82% | 9 min | 0.0% | 357 |
| SkyWest Airlines | 78% | 14 min | 0.0% | 173 |
| American Airlines | 68% | 35 min | 1.5% | 132 |
Monthly on-time trend
Best time to fly from ORD to BGR
Aim for departures around 8 a.m. (86% on-time); avoid 7 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 28 min |
| Tuesdaybest | 87% | 9 min |
| Wednesday | 82% | 14 min |
| Thursday | 79% | 11 min |
| Friday | 75% | 12 min |
| Saturday | 84% | 10 min |
| Sunday | 81% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft48%
- Airline operations35%
- National airspace system14%
- Weather4%
Frequently asked questions
- How often are flights from ORD to BGR delayed?
- 20% of ORD–BGR 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 14 minutes.
- Which airline is most reliable from ORD to BGR?
- Republic Airways has the best on-time record on this route at 83%, based on 352 flights. 4 airlines flew ORD–BGR frequently enough to compare in this period.
- What is the best time of day to fly from ORD to BGR?
- Departures around 8 a.m. have the best record (86% on-time), while departures around 7 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to BGR?
- The scheduled ORD–BGR flight time averages 2h 42m over 978 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are ORD to BGR flights cancelled?
- 0.3% 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 ORD to BGR?
- April 2026 was the roughest month in this dataset, with only 69% of arrivals on time. The best was May 2025 at 88%. If your dates are flexible, that 19-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.