Route on-time record
BGR to ORD: most on-time flights and the best time to fly
Bangor (Bangor International Airport) to Chicago (Chicago O'Hare International Airport). 647 nonstop flights in Jun 2025 to May 2026, 74% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was Envoy 3416 at 7:02 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
BGR → ORD
Bangor to Chicago: 647 nonstop flights a year
On time (12 months)
74%
Cancelled
0.8%
avg delay 24 min
Best time to leave
9 AM to noon
92% on time vs 59% 3 to 6 PM
Most reliable airline
Envoy
79% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Envoy 3416 · sold as American Eagle
7:02 AM → 9:19 AM3h 17m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 100% of the time (10 flights, Jun 2025 to May 2026).
Limited track record · 10 flights
Find 7:02 AM flight fares Opens this date on Aviasales#2 · American 1630
6:40 AM → 9:00 AM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-20.
84%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 93% of the time (43 flights, Jun 2025 to May 2026).
- Never cancelled in 43 scheduled flights.
Limited track record · 43 flights
Find American 1630 fares Opens this date on Aviasales#3 · SkyWest 4667 · sold as United Express, Delta Connection, American Eagle or Alaska
6:00 AM → 8:00 AM3h 00m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
- On time (history)
- 80%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 80% of the time (10 flights, Jun 2025 to May 2026).
Limited track record · 10 flights
Find 6:00 AM flight fares Opens this date on Aviasales#4 · SkyWest 5474 · sold as United Express, Delta Connection, American Eagle or Alaska
4:15 PM → 6:37 PM3h 22m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
- On time (history)
- 73%
- Cancelled
- 0.0%
- Avg arrival delay
- 44 min
- Arrived on time 73% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 59% on time; 9 AM to noon: 92%).
- Lands inside ORD's trouble window: 43% of its 237 ground stops and delay programs started between 2 PM and 8 PM.
Limited track record · 11 flights
Find 4:15 PM flight fares Opens this date on Aviasales#5 · American 2632
6:15 PM → 8:44 PM3h 29m nonstop
Local times, typical schedule. Last flown 2026-05-20.
69%
chance on time
- On time (history)
- 74%
- Cancelled
- 5.4%
- Avg arrival delay
- 19 min
- Arrived on time 74% of the time (35 flights, Jun 2025 to May 2026).
- Cancelled 5.4% of the time (2 of 37).
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 35 flights
Find American 2632 fares Opens this date on Aviasales#6 · American 2299
12:25 PM → 2:43 PM3h 18m nonstop
Local times, typical schedule. Last flown 2026-05-31.
68%
chance on time
- On time (history)
- 55%
- Cancelled
- 0.0%
- Avg arrival delay
- 35 min
- Arrived on time 55% of the time (11 flights, Jun 2025 to May 2026).
- Lands inside ORD's trouble window: 43% of its 237 ground stops and delay programs started between 2 PM and 8 PM.
- 89% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 11 flights
Find American 2299 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Envoy Air (sold as American Eagle)79%
164 flights · 80% on time as flown · 0.4% cancel
- American Airlines70%
132 flights · 72% on time as flown · 1.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM92%
74 flights · avg delay 5 min
- 9 AM to noon92%
106 flights · avg delay 9 min
- Noon to 3 PM80%
156 flights · avg delay 14 min
- 3 to 6 PM59%
286 flights · avg delay 40 min
Best day: Tuesday (81%). Worst: Friday (66%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Air traffic control and airport volume44%
- Late-arriving aircraft36%
- Airline (crew, maintenance, boarding)15%
- Severe weather4%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
BGR to ORD questions
- What time of day is best to fly BGR to ORD?
- 9 AM to noon: 92% of flights arrived on time, against 59% for departures 3 to 6 PM.
- Which airline is most on time from BGR to ORD?
- Envoy, with a season-adjusted 79% chance of operating and arriving on time over 164 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on BGR to ORD?
- July (63% on time); the best was May (83%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from BGR
Live status: FAA delays and ground stops