Atlanta (ATL) to Montgomery (MGM): On-Time Performance
Data through July 2026
Atlanta (ATL) to Montgomery (MGM) is a thinner route than most in this dataset — 186 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 80% arrived on time.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 0.51
- last 12 months
- Duration
- 1h 0m
- scheduled
- Distance
- 147 mi
Best airline from ATL to MGM
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Endeavor Airmost reliable | 89% | 9 min | 1.0% | 624 |
| SkyWest Airlines | 73% | 33 min | 1.3% | 826 |
Monthly on-time trend
Best time to fly from ATL to MGM
Aim for departures around 7 p.m. (95% on-time); avoid 5 p.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 83% | 19 min |
| Tuesday | 80% | 31 min |
| Wednesday | 78% | 27 min |
| Thursday | 80% | 27 min |
| Friday | 80% | 15 min |
| Saturday | 82% | 21 min |
| Sunday | 76% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft6%
- Airline operations61%
- National airspace system10%
- Weather24%
Frequently asked questions
- How often are flights from ATL to MGM delayed?
- 20% of ATL–MGM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 23 minutes.
- Which airline is most reliable from ATL to MGM?
- Endeavor Air has the best on-time record on this route at 89%, based on 624 flights. 2 airlines flew ATL–MGM frequently enough to compare in this period.
- What is the best time of day to fly from ATL to MGM?
- Departures around 7 p.m. have the best record (95% on-time), while departures around 5 p.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to MGM?
- The scheduled ATL–MGM flight time averages 1h 0m over 147 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are ATL to MGM flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from ATL to MGM?
- June 2025 was the roughest month in this dataset, with only 59% of arrivals on time. The best was October 2024 at 94%. If your dates are flexible, that 35-point gap is worth planning around.
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Based on 1,450 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.