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

New Orleans, LA (MSY) to Chicago, IL (ORD) flight delay odds

Historically, 75.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,400 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
75.6%arrived on time
14.5%30+ min late
2.2%cancelled
2,400scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.4%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted1.0%did not reach as scheduled
Average arrival+11.6 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 morning61083.4%7.9%1.8%
Late morning66778.0%14.2%2.1%
Afternoon85472.6%17.2%1.6%
Evening26961.7%21.2%4.8%

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
Monday36772.2%16.3%3.3%
Tuesday32881.1%11.3%1.8%
Wednesday32177.9%14.3%0.3%
Thursday35477.4%12.4%2.0%
Friday36373.8%15.7%2.5%
Saturday31176.8%12.5%2.9%
Sunday35671.1%18.0%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 Airlines84280.8%12.6%1.2%
Envoy Air46580.0%12.3%1.7%
American Airlines40067.5%20.8%2.2%
Republic Airways33674.7%11.9%2.7%
Spirit Airlines21565.6%18.1%6.5%
SkyWest Airlines13171.8%15.3%1.5%
Frontier Airlines1163.6%18.2%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202518172.4%18.2%0.0%
August 202515781.5%10.8%1.9%
September 202514292.3%2.8%0.7%
October 202523578.7%11.5%0.0%
November 202521773.7%17.1%4.1%
December 202518576.2%16.2%0.0%
January 202619977.4%13.1%2.0%
February 202622081.4%12.3%0.5%
March 202624868.1%16.1%7.3%
April 202622666.8%18.1%4.0%
May 202618482.6%10.3%1.1%
June 202620665.0%22.3%2.4%

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.

Airline28.3%
Late aircraft35.2%
National airspace30.3%
Weather6.0%
Security0.2%
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.