About 1 in 4 DL 839 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (24%); 3.8% were cancelled. The typical flight landed 1 minutes late.
DL 839: ATL → DFW
Scheduled to leave Atlanta at 7:25 a.m. local time. Over the past year it arrived on time 76% of the time (347 flights), in line with other DL flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 75% |
| Tuesday | 52 | 87% |
| Wednesday | 52 | 77% |
| Thursday | 52 | 87% |
| Friday | 52 | 81% |
| Saturday | 36 | 61% |
| Sunday | 50 | 62% |
Why it was late
All flights ATL → DFW · Connecting off DL 839? Check the risk
DL 839: DFW → ATL
Scheduled to leave Dallas at 10:00 a.m. local time. Over the past year it arrived on time 81% of the time (345 flights), in line with other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 52 | 83% |
| Tuesday | 51 | 88% |
| Wednesday | 51 | 71% |
| Thursday | 51 | 90% |
| Friday | 51 | 82% |
| Saturday | 40 | 70% |
| Sunday | 49 | 78% |
Why it was late
All flights DFW → ATL · Connecting off DL 839? Check the risk
Questions
How often is DL 839 from ATL to DFW late?
Delta Air Lines 839 from Atlanta, GA to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 24% of 347 scheduled flights between September 2025 and August 2026. 3.8% were cancelled.
How often is DL 839 from DFW to ATL late?
Delta Air Lines 839 from Dallas/Fort Worth, TX to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 19% of 345 scheduled flights between September 2025 and August 2026. 3.5% 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.