Atlanta (ATL) to Memphis (MEM): On-Time Performance
Data through May 2026
When you fly ATL to MEM matters as much as anything else about the booking: the route swung from 93% on-time in October 2024 to just 59% in July 2024. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 76%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 9.2
- last 12 months
- Duration
- 1h 21m
- scheduled
- Distance
- 332 mi
Best airline from ATL to MEM
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 82% | 12 min | 1.7% | 6,281 |
| Southwest Airlines | 80% | 15 min | 1.3% | 303 |
Monthly on-time trend
Best time to fly from ATL to MEM
Aim for departures around 7 a.m. (92% on-time); avoid 11 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 14 min |
| Tuesday | 83% | 12 min |
| Wednesdaybest | 86% | 8 min |
| Thursday | 83% | 9 min |
| Friday | 83% | 12 min |
| Saturday | 81% | 14 min |
| Sunday | 77% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft29%
- Airline operations50%
- National airspace system16%
- Weather6%
Frequently asked questions
- How often are flights from ATL to MEM delayed?
- 18% of ATL–MEM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from ATL to MEM?
- Delta Air Lines has the best on-time record on this route at 82%, based on 6,281 flights. 2 airlines flew ATL–MEM frequently enough to compare in this period.
- What is the best time of day to fly from ATL to MEM?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 11 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to MEM?
- The scheduled ATL–MEM flight time averages 1h 21m over 332 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are ATL to MEM flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from ATL to MEM?
- July 2024 was the roughest month in this dataset, with only 59% of arrivals on time. The best was October 2024 at 93%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 6,663 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.