About 1 in 5 DL 2620 flights from Tulsa arrived 15+ minutes late, diverted or cancelled over the past year (18%); 1.4% were cancelled. The typical flight landed 17 minutes early.
DL 2620: TUL → ATL
Scheduled to leave Tulsa at 12:41 p.m. local time. Over the past year it arrived on time 82% of the time (283 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 43 | 79% |
| Tuesday | 42 | 79% |
| Wednesday | 43 | 93% |
| Thursday | 43 | 91% |
| Friday | 43 | 84% |
| Saturday | 27 | 70% |
| Sunday | 42 | 71% |
Why it was late
All flights TUL → ATL · Connecting off DL 2620? Check the risk
DL 2620: ATL → TUL
Scheduled to leave Atlanta at 11:00 a.m. local time. Over the past year it arrived on time 83% of the time (279 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 43 | 79% |
| Tuesday | 42 | 81% |
| Wednesday | 43 | 93% |
| Thursday | 43 | 88% |
| Friday | 43 | 86% |
| Saturday | 23 | 74% |
| Sunday | 42 | 74% |
Why it was late
All flights ATL → TUL · Connecting off DL 2620? Check the risk
Questions
How often is DL 2620 from TUL to ATL late?
Delta Air Lines 2620 from Tulsa, OK to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 18% of 283 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.
How often is DL 2620 from ATL to TUL late?
Delta Air Lines 2620 from Atlanta, GA to Tulsa, OK arrived 15 or more minutes late, was diverted or was cancelled on 17% of 279 scheduled flights between September 2025 and August 2026. 2.1% 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.