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

Burlington, VT (BTV) to Chicago, IL (ORD) flight delay odds

64.9% of 1,245 official scheduled BTV-to-ORD flights arrived on time; 22.1% arrived at least 30 minutes late and 1.9% 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 SIGNALVariable
64.9%arrived on time
22.1%30+ min late
1.9%cancelled
1,245scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.6%all scheduled flights
120+ minutes late7.5%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+27.4 mincompleted flights

Which departure time was most reliable for BTV to ORD?

Among qualifying BTV-to-ORD departure window results, Late morning had the highest on-time rate: 83.0% of 53 flights. Evening was lowest at 51.0% across 255 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning52776.9%13.1%1.5%
Late morning5383.0%9.4%0.0%
Afternoon41055.9%28.8%1.2%
Evening25551.0%32.5%4.3%

Which weekday was most reliable for BTV to ORD?

Among qualifying BTV-to-ORD weekday results, Tuesday had the highest on-time rate: 69.9% of 176 flights. Sunday was lowest at 59.8% across 179 flights.

DayFlightsOn time30+ minCancelled
Monday18064.4%22.2%4.4%
Tuesday17669.9%19.3%1.1%
Wednesday17266.9%18.0%2.3%
Thursday18065.0%25.0%1.7%
Friday18067.2%18.9%1.7%
Saturday17861.2%23.6%0.6%
Sunday17959.8%27.4%1.7%

Which airline was most reliable for BTV to ORD?

Among qualifying BTV-to-ORD airline results, United Airlines had the highest on-time rate: 68.5% of 683 flights. SkyWest Airlines was lowest at 59.7% across 481 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines68368.5%18.4%0.7%
SkyWest Airlines48159.7%28.1%3.5%
Envoy Air6365.1%19.0%0.0%
Republic Airways1866.7%11.1%11.1%

Which month was most reliable for BTV to ORD?

Among qualifying BTV-to-ORD month results, September 2025 had the highest on-time rate: 75.4% of 122 flights. July 2025 was lowest at 47.9% across 121 flights.

MonthFlightsOn time30+ minCancelled
July 202512147.9%35.5%2.5%
August 202511560.9%24.3%4.3%
September 202512275.4%13.1%0.0%
October 202516368.7%22.1%0.0%
November 20256154.1%31.1%1.6%
December 20257656.6%26.3%0.0%
January 20266768.7%14.9%4.5%
February 20265974.6%11.9%0.0%
March 20266251.6%35.5%1.6%
April 202613669.1%19.9%1.5%
May 202614475.0%14.6%1.4%
June 202611963.9%21.8%5.9%

What drove BTV to ORD delay minutes?

Airline was the largest recorded BTV-to-ORD delay category, accounting for 36.1% of 40,016 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.1%
Late aircraft15.9%
National airspace32.2%
Weather14.5%
Security1.3%
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.