About 1 in 4 DL 4955 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (26%); 1.5% were cancelled. The typical flight landed 7 minutes early.
DL 4955: ATL → MGM
Scheduled to leave Atlanta at 11:59 a.m. local time, operated by Endeavor Air as 9E 4955. Over the past year it arrived on time 74% of the time (345 flights), in line with other DL flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 67% |
| Tuesday | 50 | 76% |
| Wednesday | 50 | 78% |
| Thursday | 50 | 74% |
| Friday | 49 | 71% |
| Saturday | 47 | 85% |
| Sunday | 48 | 67% |
Why it was late
All flights ATL → MGM · Connecting off DL 4955? Check the risk
DL 4955: MGM → ATL
Scheduled to leave Montgomery at 12:36 p.m. local time, operated by Endeavor Air as 9E 4955. Over the past year it arrived on time 70% of the time (345 flights), in line with other DL flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 67% |
| Tuesday | 50 | 78% |
| Wednesday | 50 | 72% |
| Thursday | 50 | 70% |
| Friday | 49 | 69% |
| Saturday | 47 | 79% |
| Sunday | 48 | 58% |
Why it was late
All flights MGM → ATL · Connecting off DL 4955? Check the risk
Questions
How often is DL 4955 from ATL to MGM late?
Delta Air Lines 4955 from Atlanta, GA to Montgomery, AL arrived 15 or more minutes late, was diverted or was cancelled on 26% of 345 scheduled flights between September 2025 and August 2026. 1.5% were cancelled.
How often is DL 4955 from MGM to ATL late?
Delta Air Lines 4955 from Montgomery, AL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 30% of 345 scheduled flights between September 2025 and August 2026. 1.5% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.