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

Atlanta, GA (ATL) to Memphis, TN (MEM) flight delay odds

Historically, 80.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,388 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
80.6%arrived on time
11.5%30+ min late
1.9%cancelled
3,388scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.3%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.1 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 morning32990.9%5.5%1.5%
Late morning64285.7%8.1%2.2%
Afternoon1,06481.3%11.2%1.3%
Evening83076.1%14.9%2.0%
Night52373.8%14.9%2.5%

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
Monday50275.5%14.7%1.2%
Tuesday47681.1%12.6%0.2%
Wednesday45787.1%6.8%0.0%
Thursday52581.7%10.1%1.0%
Friday49784.9%7.2%2.8%
Saturday40378.9%12.4%5.0%
Sunday52875.8%16.5%3.2%

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
Delta Air Lines3,30481.0%11.2%1.8%
Frontier Airlines6959.4%29.0%2.9%
SkyWest Airlines1593.3%6.7%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202528376.0%15.5%1.1%
August 202528284.4%10.3%1.4%
September 202526988.8%6.3%0.0%
October 202528486.3%6.7%0.0%
November 202526682.3%9.8%1.9%
December 202526176.6%14.6%2.3%
January 202625974.1%11.6%6.9%
February 202623579.6%13.2%1.7%
March 202629474.5%15.0%3.1%
April 202630787.3%8.5%1.6%
May 202633078.2%14.2%1.5%
June 202631879.2%12.6%1.3%

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.

Airline50.0%
Late aircraft29.3%
National airspace16.5%
Weather4.2%
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.