Gulfport (GPT) to Atlanta (ATL) flights
Delta Air Lines flies nonstop from Gulfport Biloxi International Airport to Hartsfield Jackson Atlanta International Airport, with about 26 flights a week in July 2026. The 352-mile flight takes about 1h 19m gate to gate.
- Distance
- 352 mi · 566 km
- Flight time
- 1h 19m
- Airlines
- 1
- Seats filled
- 88%
Airlines flying GPT to ATL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 26 | Boeing 717-200, Airbus A319 | 125,138 | 1h 19m |
| Endeavor AirSeasonal or ended | n/a | Bombardier CRJ900, Bombardier CRJ700 | 1,712 | 1h 18m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
GPT to ATL flight schedule
4 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:30am and the last at 6:00pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 3155Delta Air Lines | 6:30am | 8:56am | 31 | 93% |
| DL 3199Delta Air Lines | 10:01am | 12:23pm | 31 | 91% |
| DL 2718Delta Air Lines | 1:48pm | 4:14pm | 31 | 85% |
| DL 3063Delta Air Lines | 6:00pm | 8:34pm | 25 | 73% |
Is GPT to ATL on time?
From September 2025 to August 2026, 86% of 1,347 flights arrived within 15 minutes of schedule and 1.6% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 6pm the least (75%). Most delay time was caused by late-arriving aircraft (48%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,347 | 86% | 14 min | 1.6% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 365 | 93% | |
| 9am to 10am | 36 | 100% | |
| 10am to 11am | 310 | 87% | |
| 1pm to 2pm | 93 | 79% | |
| 2pm to 3pm | 164 | 87% | |
| 3pm to 4pm | 68 | 89% | |
| 5pm to 6pm | 116 | 79% | |
| 6pm to 7pm | 151 | 75% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 112 | 11,126 | |
| September 2025 | 107 | 10,359 | |
| October 2025 | 116 | 11,319 | |
| November 2025 | 103 | 9,341 | |
| December 2025 | 113 | 10,097 | |
| January 2026 | 95 | 8,566 | |
| February 2026 | 98 | 9,543 | |
| March 2026 | 113 | 11,169 | |
| April 2026 | 116 | 11,214 | |
| May 2026 | 116 | 11,795 | |
| June 2026 | 113 | 11,273 | |
| July 2026 | 115 | 11,048 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.