Historical on-time performance
Chicago to Bangor
Flights on ORD–BGR arrive on time 80% of the time over the last 12 months.
based on 570 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Envoy AirOn-time86%Medianon timep9025 minCancel0.0%Flights124
- Republic AirwaysOn-time82%Medianon timep9030 minCancel0.3%Flights324
- American AirlinesOn-time69%Medianon timep90100 minCancel1.6%Flights122
Why flights run late
Delay causes
- Airline33%
- Weather5%
- Air traffic (NAS)10%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather67%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → BGR
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 86% on time.
- Mornings86% on time · p90 20 min · 254 flights
- Middays80% on time · p90 35 min · 871 flights
- Evenings74% on time · p90 60 min · 198 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 87% on time.
- Tuesdays87% on time · p90 25 min · 152 flights · limited
- Saturdays84% on time · p90 25 min · 223 flights
- Wednesdays82% on time · p90 30 min · 169 flights · limited
- Sundays81% on time · p90 35 min · 211 flights
- Thursdays79% on time · p90 45 min · 199 flights · limited
- Fridays76% on time · p90 35 min · 199 flights · limited
- Mondays73% on time · p90 60 min · 171 flights · limited
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