No delays reported for DL 3155 (GPT → ATL) as of 6:45 PM ET. It arrived on time 92.4% of the time in June-August 2026. When it was late, the average delay was 3h 4m. None were cancelled. Right now there are no reported delays at GPT, ATL.
Looks on time
Next leg GPT → ATL, scheduled 6:30 AM local time. No delays at GPT right now, and it usually runs on time.
Cancellation risk: Low 0% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Delta for official times. Live position: adsb.lol (open data, ODbL).
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| GPT → ATL Gulfport/Biloxi, MS to Atlanta, GA | 6:30 AM → 8:56 AM | 92% |
Local times. Schedules change; check your booking.
How reliable is DL 3155?
| Arrived on time (within 15 min) | 92.4% |
| Average delay when late | 184 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly DL 3155
DL 3155 was most reliable on Mondays (100% on time) and least reliable on Wednesdays (85%).
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| Tuesday | |
| Wednesday | |
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Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Delta to the Department of Transportation.
Other flights GPT → ATL
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Delta app.
Delta delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is DL 3155 delayed today?
Right now there are no reported delays at GPT, ATL. Checked 6:45 PM ET. For this flight's gate and exact status, check the Delta app.
Is DL 3155 usually on time?
DL 3155 arrived within 15 minutes of schedule 92.4% of the time in June-August 2026, with an average delay of 184 minutes when late.
How often is DL 3155 cancelled?
0% of DL 3155 flights were cancelled in June-August 2026.