Route Reliability
BGR → Chicago
BGR–ORD · 978 miles · BGR Airport to Chicago O'Hare International Airport
- 75%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 0.8%
- Cancelled
- 647
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines80%259 flights
- 2.American Airlines71%388 flights
What the data says
Morning-you made the right choice.
BGR–ORD flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 60% between 3–6 PM.
Skip Thursday if you can.
BGR–ORD flights arrived on time 81% of the time on Tuesdays. On Thursdays: 72%.
United Airlines runs this route best.
United Airlines arrived on time 80% of the time on this route; American Airlines managed 71%.
Trending in the right direction.
BGR–ORD flights arrived on time 81% of the time over the last three months in the data, compared with 73% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon77%(88 flights)
- Tue81%(69 flights)
- Wed74%(81 flights)
- Thu72%(102 flights)
- Fri72%(101 flights)
- Sat76%(102 flights)
- Sun72%(99 flights)
- 6–9 AM92%(74 flights)
- 9 AM–12 PM93%(106 flights)
- 12–3 PM81%(156 flights)
- 3–6 PM60%(283 flights)
- 6–9 PM65%(23 flights)
Jun 61% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 61% | 72 |
| July 2025 | 69% | 121 |
| August 2025 | 76% | 107 |
| September 2025 | 74% | 109 |
| October 2025 | 80% | 110 |
| April 2026 | 81% | 41 |
| May 2026 | 83% | 80 |
Keep nerding
Based on 647 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.