ORD to BGR flight delays & on-time performance
Nonstop flights from Chicago O'Hare International Airport to Bangor International Airport · 978 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ORD or BGR right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (ORD) to Bangor (BGR) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.7% were cancelled, and 11% arrived an hour or more late.
- Envoy Air was the most punctual airline here (87% on time); American Airlines was the least (68%).
- Departures scheduled around 11am did best (94% on time); around 7pm did worst (53%).
- Tuesday was the most reliable day to fly (83% on time) and Monday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (53%).
Which airline is most on time from ORD to BGR?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 87% | 0.0% | 9 min | 5.7% | 107 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 85% | 1.4% | 9 min | 4.6% | 220 |
| United Airlines | 80% | 0.0% | 8 min | 0.0% | 5 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 73% | 2.8% | 22 min | 13.9% | 142 |
| American Airlines | 68% | 2.2% | 37 min | 17.4% | 223 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am81%162 flights
- 11am94%148 flights
- 1pm78%116 flights
- 5pm68%118 flights
- 6pm75%58 flights
- 7pm53%82 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%4.2% cancelled
- Tuesday83%1.2% cancelled
- Wednesday80%2.1% cancelled
- Thursday79%2.8% cancelled
- Friday80%0.9% cancelled
- Saturday76%1.0% cancelled
- Sunday74%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft53%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion14%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather92%
- Airline (crew, maintenance, cleaning, fueling)8%
- Air traffic control & airport congestion0%
- Security0%
ORD to BGR: common questions
- How often are ORD to BGR flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Chicago to Bangor cancelled?
- 1.7% of scheduled flights were cancelled (12 of 697).
- How long are typical delays?
- Across all flights the average arrival delay was 20 min (early arrivals count as zero). Flights that were late arrived 85 min behind schedule on average, and 10.7% of flights were an hour or more late.
- How long is taxi time at ORD?
- Flights on this route spent 26 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BGR to ORD — 78% on time
More flights from Chicago
More flights to Bangor
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ORD → BGR, nonstop flights by US airlines that report to the DOT. How we calculate this.