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

Denver, CO (DEN) to Memphis, TN (MEM) flight delay odds

75.0% of 1,333 official scheduled DEN-to-MEM flights arrived on time; 15.8% arrived at least 30 minutes late and 0.8% 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 SIGNALGenerally reliable
75.0%arrived on time
15.8%30+ min late
0.8%cancelled
1,333scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.6%all scheduled flights
120+ minutes late3.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+9.9 mincompleted flights

Which departure time was most reliable for DEN to MEM?

Among qualifying DEN-to-MEM departure window results, Late morning had the highest on-time rate: 84.0% of 495 flights. Evening was lowest at 65.9% across 569 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning49584.0%7.9%1.0%
Afternoon24481.1%11.9%0.4%
Evening56965.9%23.0%0.9%

Which weekday was most reliable for DEN to MEM?

Among qualifying DEN-to-MEM weekday results, Wednesday had the highest on-time rate: 80.3% of 178 flights. Friday was lowest at 67.9% across 190 flights.

DayFlightsOn time30+ minCancelled
Monday20374.9%19.2%0.5%
Tuesday17875.3%14.6%1.1%
Wednesday17880.3%11.2%0.6%
Thursday21275.5%17.9%0.0%
Friday19067.9%18.4%0.0%
Saturday15777.1%13.4%1.9%
Sunday21574.9%14.4%1.9%

Which airline was most reliable for DEN to MEM?

Among qualifying DEN-to-MEM airline results, Frontier Airlines had the highest on-time rate: 82.0% of 139 flights. Southwest Airlines was lowest at 64.7% across 465 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines72880.2%12.6%0.8%
Southwest Airlines46564.7%21.7%0.9%
Frontier Airlines13982.0%12.2%0.7%
SkyWest Airlines1100.0%0.0%0.0%

Which month was most reliable for DEN to MEM?

Among qualifying DEN-to-MEM month results, November 2025 had the highest on-time rate: 93.1% of 102 flights. July 2025 was lowest at 47.1% across 102 flights.

MonthFlightsOn time30+ minCancelled
July 202510247.1%40.2%0.0%
August 202510368.9%25.2%0.0%
September 202510285.3%8.8%0.0%
October 202510582.9%10.5%0.0%
November 202510293.1%4.9%1.0%
December 202510674.5%15.1%0.0%
January 202610584.8%3.8%6.7%
February 20269783.5%10.3%2.1%
March 202612969.8%17.1%0.0%
April 202612582.4%8.8%0.0%
May 202612971.3%14.7%0.8%
June 202612860.9%28.1%0.0%

What drove DEN to MEM delay minutes?

Late aircraft was the largest recorded DEN-to-MEM delay category, accounting for 58.5% of 21,042 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.1%
Late aircraft58.5%
National airspace10.3%
Weather1.1%
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.