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

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

Historically, 67.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,245 flights.

HISTORICAL ROUTE SIGNALVariable
67.3%arrived on time
21.4%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 late11.9%all scheduled flights
120+ minutes late4.8%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+18.6 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning7183.1%9.9%0.0%
Late morning35779.0%14.8%0.6%
Afternoon26464.8%23.9%1.5%
Evening55259.1%25.7%3.3%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday18067.2%21.1%3.9%
Tuesday17774.0%16.4%0.6%
Wednesday17270.9%18.6%3.5%
Thursday18065.0%24.4%1.7%
Friday18066.7%22.8%0.6%
Saturday17765.5%19.2%1.1%
Sunday17962.0%26.8%2.2%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines68371.6%18.4%0.7%
SkyWest Airlines48159.3%27.2%3.7%
Envoy Air6382.5%7.9%0.0%
Republic Airways1866.7%22.2%5.6%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202512151.2%41.3%1.7%
August 202511565.2%25.2%4.3%
September 202512279.5%13.1%0.0%
October 202516373.6%19.0%0.0%
November 20256070.0%20.0%1.7%
December 20257665.8%25.0%0.0%
January 20266765.7%19.4%3.0%
February 20265964.4%18.6%0.0%
March 20266266.1%16.1%1.6%
April 202613764.2%21.9%1.5%
May 202614476.4%11.1%1.4%
June 202611959.7%24.4%7.6%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline36.6%
Late aircraft32.4%
National airspace17.8%
Weather13.2%
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.