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

Omaha, NE (OMA) to Chicago, IL (ORD) flight delay odds

Historically, 72.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,025 flights.

HISTORICAL ROUTE SIGNALVariable
72.3%arrived on time
17.5%30+ min late
2.6%cancelled
3,025scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.0%all scheduled flights
120+ minutes late4.5%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+15.9 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 morning86482.5%10.9%2.5%
Late morning49476.3%14.4%2.0%
Afternoon97570.1%19.0%1.6%
Evening69060.1%25.8%4.5%

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
Monday45471.8%17.6%3.3%
Tuesday42378.0%13.5%2.1%
Wednesday40872.8%15.9%1.2%
Thursday44573.5%16.9%1.8%
Friday44170.1%17.5%3.9%
Saturday40473.3%18.6%3.0%
Sunday45067.3%22.4%2.9%

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 Airlines1,34773.1%16.7%1.7%
Envoy Air85572.7%17.7%3.4%
SkyWest Airlines38468.5%20.1%3.9%
American Airlines26173.9%17.2%2.3%
Republic Airways17070.6%17.6%2.9%
PSA Airlines862.5%25.0%12.5%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202526763.3%25.8%2.2%
August 202525575.7%13.3%2.4%
September 202524778.9%11.3%1.6%
October 202526676.7%12.8%0.4%
November 202524071.2%17.1%5.4%
December 202522062.3%25.9%2.7%
January 202621069.0%22.4%0.5%
February 202620184.6%11.4%0.0%
March 202624963.1%22.9%5.2%
April 202630070.0%17.3%5.7%
May 202628779.8%12.2%0.3%
June 202628373.5%18.7%3.9%

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.

Airline17.8%
Late aircraft39.6%
National airspace36.8%
Weather5.8%
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.