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

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

Historically, 85.5% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 3,389 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
85.5%arrived on time
8.5%30+ min late
2.0%cancelled
3,389scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.4%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-1.7 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 morning1,10689.1%6.5%2.4%
Late morning75887.1%6.9%2.0%
Afternoon97384.1%10.0%1.6%
Evening55278.4%12.3%2.0%

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
Monday50182.4%12.6%1.4%
Tuesday47685.3%10.3%0.6%
Wednesday45591.4%5.1%0.0%
Thursday52789.2%6.8%0.2%
Friday49888.4%6.6%1.8%
Saturday40284.3%7.0%4.7%
Sunday53077.7%10.8%5.5%

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 Lines3,30686.0%8.2%1.9%
Frontier Airlines6959.4%26.1%5.8%
SkyWest Airlines1485.7%7.1%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202528383.4%11.3%0.4%
August 202528288.3%4.3%2.1%
September 202526994.8%3.7%0.0%
October 202528490.8%5.6%0.0%
November 202526686.1%7.9%1.9%
December 202526185.1%8.4%3.1%
January 202626077.3%13.5%6.5%
February 202623588.9%3.4%2.1%
March 202629476.2%15.6%3.7%
April 202630789.6%7.2%1.3%
May 202633082.4%11.2%1.8%
June 202631883.6%8.8%1.6%

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.

Airline46.1%
Late aircraft35.0%
National airspace15.9%
Weather3.0%
Security0.1%
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.