Route Reliability

Route reliability

Memphis (MEM) to Atlanta (ATL): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Memphis, TN (MEM) to Atlanta, GA (ATL), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Memphis, TNAtlanta, GA

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

MEM to ATL

Memphis, TN to Atlanta, GA

On time
84.4%vs 75.6% U.S. average Better than average
Cancelled
1.9%vs 1.9% U.S. average About average
60+ min late
6.2%vs 8.1% U.S. average Better than average
Scheduled flights
3,432in 12 months3 airlines
Most reliable airline
Delta Air Lines84.9% on time · 3,348 flights

On time more often than the U.S. average, with a typical cancellation rate.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from MEM to ATL, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. Delta Air Lines Most reliable 84.9% 1.9% 6.0% 94 min 0.1% 3,348
2. Frontier Airlines 60.0% 5.7% 14.3% 78 min 0.0% 70
SkyWest Airlines Operating carrier; sold as United Express, Delta Connection, American Eagle, Alaska Insufficient sample (fewer than 50 flights) 14

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

Delta Air Lines has the strongest record on this route.

  • Delta Air Lines had the best on-time record from Memphis (MEM) to Atlanta (ATL): 84.9% of its 3,348 scheduled flights arrived within 15 minutes of schedule, compared with 60.0% for Frontier Airlines.
  • SkyWest Airlines also flew this route but with fewer than 50 reported flights, too few to rate.
  • 1.9% of flights on this route were cancelled (about 1 in 53), about the same as the U.S. average of 1.9%.
  • 6.2% of flights, about 1 in 16, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 93 min.
  • Overall, 84.4% of flights on this route arrived on time, 8.8 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, October was the most reliable month on this route (93.2% on time) and July the least reliable (75.9%).
  • Cancellations peaked in January, when 4.9% of flights were cancelled.
  • Flights scheduled to depart before 6 am were the most punctual (95.1% on time); flights scheduled to depart 7 pm to 8 pm were the least (70.4%).
  • In the other direction, Atlanta (ATL) to Memphis (MEM), 79.5% of flights were on time and 1.8% were cancelled. Compare airlines ATL to MEM.

Best and worst months to fly MEM to ATL

Jan 80.4%
Feb 90.6%
Mar 84.3%
Apr 88.6%
May 81.9%
Jun 83.5%
Jul 75.9%
Aug 89.3%
Sep 91.7%
Oct 93.2%
Nov 89.5%
Dec 90.0%
Share of scheduled flights on time 12-month average 84.4%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 80.4% 757
February 90.6% 694
March 84.3% 878
April 88.6% 897
May 81.9% 946
June 83.5% 881
July 75.9% 883
August 89.3% 860
September 91.7% 835
October 93.2% 877
November 89.5% 819
December 90.0% 827

Month by month, last 12 months

Sep 94.8%
Oct 90.8%
Nov 86.1%
Dec 85.1%
Jan 77.3%
Feb 88.9%
Mar 76.2%
Apr 89.6%
May 82.4%
Jun 83.6%
Jul 74.4%
Aug 86.3%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 94.8% 269
Oct 2025 90.8% 284
Nov 2025 86.1% 266
Dec 2025 85.1% 261
Jan 2026 77.3% 260
Feb 2026 88.9% 235
Mar 2026 76.2% 294
Apr 2026 89.6% 307
May 2026 82.4% 330
Jun 2026 83.6% 318
Jul 2026 74.4% 316
Aug 2026 86.3% 292

Best and worst departure times

<6a 95.1%
6a 86.8%
7a 88.5%
8a 88.0%
9a 87.6%
10a 89.3%
11a 82.7%
12p 88.6%
1p 81.8%
2p 81.4%
3p 84.0%
4p 75.3%
5p 81.2%
6p 74.7%
7p 70.4%
Share of scheduled flights on time
By scheduled local departure hour at MEM, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 95.1% 144
Departing 6 am to 7 am 86.8% 365
Departing 7 am to 8 am 88.5% 365
Departing 8 am to 9 am 88.0% 209
Departing 9 am to 10 am 87.6% 283
Departing 10 am to 11 am 89.3% 309
Departing 11 am to noon 82.7% 226
Departing noon to 1 pm 88.6% 211
Departing 1 pm to 2 pm 81.8% 203
Departing 2 pm to 3 pm 81.4% 226
Departing 3 pm to 4 pm 84.0% 106
Departing 4 pm to 5 pm 75.3% 223
Departing 5 pm to 6 pm 81.2% 304
Departing 6 pm to 7 pm 74.7% 79
Departing 7 pm to 8 pm 70.4% 179
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Memphis, TN (MEM) to Atlanta, GA (ATL), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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