About 1 in 4 DL 2104 flights from Austin arrived 15+ minutes late, diverted or cancelled over the past year (23%); 2.0% were cancelled. The typical flight landed 6 minutes early.
DL 2104: AUS → ATL
Scheduled to leave Austin at 3:00 p.m. local time. Over the past year it arrived on time 77% of the time (352 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 | 53 | 83% |
| Tuesday | 52 | 79% |
| Wednesday | 50 | 80% |
| Thursday | 50 | 78% |
| Friday | 50 | 74% |
| Saturday | 46 | 83% |
| Sunday | 51 | 65% |
Why it was late
All flights AUS → ATL · Connecting off DL 2104? Check the risk
DL 2104: ATL → AUS
Scheduled to leave Atlanta at 12:30 p.m. local time. Over the past year it arrived on time 84% of the time (328 flights), in line with other DL flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 48 | 83% |
| Tuesday | 47 | 83% |
| Wednesday | 47 | 91% |
| Thursday | 47 | 89% |
| Friday | 47 | 87% |
| Saturday | 46 | 83% |
| Sunday | 46 | 67% |
Why it was late
All flights ATL → AUS · Connecting off DL 2104? Check the risk
Questions
How often is DL 2104 from AUS to ATL late?
Delta Air Lines 2104 from Austin, TX to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 23% of 352 scheduled flights between September 2025 and August 2026. 2.0% were cancelled.
How often is DL 2104 from ATL to AUS late?
Delta Air Lines 2104 from Atlanta, GA to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 16% of 328 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.