BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ORD→BGR

Chicago, IL (ORD) to Bangor, ME (BGR) flight delay odds

77.8% of 695 official scheduled ORD-to-BGR flights arrived on time; 13.8% arrived at least 30 minutes late and 1.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
77.8%arrived on time
13.8%30+ min late
1.2%cancelled
695scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.8%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+7.0 mincompleted flights

Which departure time was most reliable for ORD to BGR?

Among qualifying ORD-to-BGR departure window results, Late morning had the highest on-time rate: 91.1% of 158 flights. Evening was lowest at 66.4% across 226 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning16282.1%11.1%0.6%
Late morning15891.1%5.1%0.0%
Afternoon14976.5%12.8%0.7%
Evening22666.4%22.6%2.7%

Which weekday was most reliable for ORD to BGR?

Among qualifying ORD-to-BGR weekday results, Tuesday had the highest on-time rate: 85.1% of 87 flights. Monday was lowest at 70.8% across 96 flights.

DayFlightsOn time30+ minCancelled
Monday9670.8%22.9%1.0%
Tuesday8785.1%10.3%1.1%
Wednesday9679.2%13.5%2.1%
Thursday10772.9%13.1%2.8%
Friday10579.0%9.5%1.0%
Saturday10082.0%12.0%0.0%
Sunday10476.9%15.4%0.0%

Which airline was most reliable for ORD to BGR?

Among qualifying ORD-to-BGR airline results, Envoy Air had the highest on-time rate: 87.1% of 139 flights. SkyWest Airlines was lowest at 67.9% across 84 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways30981.2%11.0%1.0%
American Airlines16268.5%21.6%1.9%
Envoy Air13987.1%6.5%0.0%
SkyWest Airlines8467.9%21.4%2.4%
United Airlines1100.0%0.0%0.0%

Which month was most reliable for ORD to BGR?

Among qualifying ORD-to-BGR month results, September 2025 had the highest on-time rate: 87.0% of 108 flights. June 2026 was lowest at 65.0% across 120 flights.

MonthFlightsOn time30+ minCancelled
July 202512280.3%12.3%0.0%
August 202510983.5%9.2%0.9%
September 202510887.0%9.3%0.0%
October 202510979.8%10.1%0.0%
April 20264465.9%25.0%4.5%
May 20268176.5%14.8%0.0%
June 202612065.0%22.5%4.2%

What drove ORD to BGR delay minutes?

Late aircraft was the largest recorded ORD-to-BGR delay category, accounting for 52.2% of 11,305 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.6%
Late aircraft52.2%
National airspace13.3%
Weather3.9%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.