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

Chicago, IL (ORD) to Marquette, MI (MQT) flight delay odds

Historically, 69.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 743 flights.

HISTORICAL ROUTE SIGNALHigher disruption
69.4%arrived on time
18.0%30+ min late
4.4%cancelled
743scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.1%all scheduled flights
120+ minutes late4.2%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival+19.8 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
Late morning12077.5%9.2%5.0%
Afternoon23373.8%13.7%4.7%
Evening36262.4%24.6%4.4%

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
Monday10969.7%13.8%6.4%
Tuesday9677.1%16.7%2.1%
Wednesday10868.5%23.1%4.6%
Thursday10765.4%22.4%2.8%
Friday10769.2%17.8%3.7%
Saturday10771.0%12.1%4.7%
Sunday10966.1%20.2%6.4%

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
Envoy Air74369.4%18.0%4.4%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20256162.3%29.5%0.0%
August 20258584.7%4.7%2.4%
September 20256280.6%14.5%0.0%
October 20256172.1%21.3%0.0%
November 20255979.7%11.9%6.8%
December 20256048.3%31.7%13.3%
January 20263652.8%36.1%2.8%
February 20264560.0%22.2%2.2%
March 20266253.2%19.4%14.5%
April 20267669.7%14.5%6.6%
May 20267681.6%13.2%1.3%
June 20266070.0%13.3%3.3%

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.

Airline7.9%
Late aircraft50.8%
National airspace12.6%
Weather28.7%
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.