Best Time to Fly ATL to MGM: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Montgomery Regional
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.8% of Atlanta (ATL) to Montgomery (MGM) flights arrived on time (186 scheduled flights). That is 5.2 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (85% on time) and June the worst month (59%).
The cancellation rate was 0.0% (US average 1.8%).
ATL to MGM on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 82.8% | 156 min | 0.0% | 186 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to MGM
On-time arrival % by scheduled departure hour (local time), 1,334 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 85.8% | 1.1% | 279 |
| 9am–10am | Limited data | 4 | |
| 10am–11am | Limited data | 4 | |
| 11am–12pm | 71.1% | 1.2% | 84 |
| 12pm–1pm | 89.5% | 0.0% | 134 |
| 1pm–2pm | 72.5% | 0.0% | 120 |
| 2pm–3pm | 75.8% | 0.0% | 95 |
| 3pm–4pm | 87.9% | 0.0% | 58 |
| 5pm–6pm | 74.0% | 0.0% | 123 |
| 6pm–7pm | Limited data | 5 | |
| 7pm–8pm | 94.6% | 0.0% | 37 |
| 8pm–9pm | Limited data | 1 | |
| 9pm–10pm | 70.5% | 5.8% | 137 |
| 10pm–11pm | 83.1% | 0.0% | 219 |
| 11pm–12am | 76.5% | 0.0% | 34 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to MGM
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 90.3% | +8.5 pts | 0.0% | 31 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.2% | -10.6 pts | 1.9% | 53 |
| Summer peak (Jun 15 - Aug 15) | 73.6% | -8.2 pts | 0.6% | 179 |
| All other days | 81.8% | — | 0.9% | 1,071 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).