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

Chicago, IL (ORD) to Memphis, TN (MEM) flight delay odds

70.5% of 2,468 official scheduled ORD-to-MEM flights arrived on time; 17.4% arrived at least 30 minutes late and 3.0% 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
70.5%arrived on time
17.4%30+ min late
3.0%cancelled
2,468scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.4%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+11.0 mincompleted flights

Which departure time was most reliable for ORD to MEM?

Among qualifying ORD-to-MEM departure window results, Late morning had the highest on-time rate: 79.8% of 203 flights. Night was lowest at 61.5% across 340 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning60878.0%10.7%1.2%
Late morning20379.8%12.3%0.5%
Afternoon84070.5%18.5%3.3%
Evening47763.5%23.5%3.1%
Night34061.5%21.2%7.1%

Which weekday was most reliable for ORD to MEM?

Among qualifying ORD-to-MEM weekday results, Saturday had the highest on-time rate: 74.9% of 346 flights. Friday was lowest at 67.2% across 354 flights.

DayFlightsOn time30+ minCancelled
Monday36568.8%20.3%4.1%
Tuesday35072.6%16.6%1.7%
Wednesday33672.0%18.2%1.2%
Thursday35270.5%17.3%2.3%
Friday35467.2%16.7%3.7%
Saturday34674.9%13.9%3.8%
Sunday36567.9%18.6%4.4%

Which airline was most reliable for ORD to MEM?

Among qualifying ORD-to-MEM airline results, Envoy Air had the highest on-time rate: 76.2% of 822 flights. United Airlines was lowest at 63.1% across 333 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines83270.6%17.4%1.4%
Envoy Air82276.2%12.4%3.2%
Republic Airways46566.9%20.4%5.4%
United Airlines33363.1%23.4%3.6%
American Airlines1637.5%56.2%0.0%

Which month was most reliable for ORD to MEM?

Among qualifying ORD-to-MEM month results, September 2025 had the highest on-time rate: 87.1% of 186 flights. December 2025 was lowest at 59.0% across 200 flights.

MonthFlightsOn time30+ minCancelled
July 202520870.7%19.7%1.0%
August 202522076.8%13.6%2.7%
September 202518687.1%6.5%0.5%
October 202520177.1%8.5%0.0%
November 202520268.8%14.4%6.4%
December 202520059.0%28.5%1.5%
January 202618660.8%21.5%9.7%
February 202618675.3%17.7%0.5%
March 202619661.7%25.5%6.1%
April 202623969.9%19.7%4.2%
May 202620372.9%10.3%1.0%
June 202624166.8%21.6%2.9%

What drove ORD to MEM delay minutes?

Late aircraft was the largest recorded ORD-to-MEM delay category, accounting for 39.0% of 42,780 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.9%
Late aircraft39.0%
National airspace21.4%
Weather11.7%
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.