Flight Reliability
DL 2804 · Delta Air Lines
Atlanta → Dallas (ATL–DAL)80% of its flights flew this route. The rest (BOS–ORD) are included in these numbers.
- 70%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 1.6%
- Cancelled
- 5 min early
- Median arrival delay
Based on 243 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
DL 2804 arrived on time 78% of the time on Sundays and just 57% on Thursdays. That gap is worth planning around.
Lagging the ATL–DAL route.
DL 2804 arrived on time 70% of the time, versus 81% across the ATL–DAL route.
Lagging the Delta Air Lines network.
DL 2804 arrived on time 70% of the time, versus 81% across the Delta Air Lines network.
Recent months have been rougher.
DL 2804 arrived on time 60% of the time over the last three months in the data, compared with 82% in the three months before that.
The breakdown
- Mon60%(35 flights)
- Tue77%(34 flights)
- Wed74%(35 flights)
- Thu57%(35 flights)
- Fri73%(30 flights)
- Sat73%(33 flights)
- Sun78%(36 flights)
- 3–6 PM—(9 flights)
- 6–9 PM70%(228 flights)
- 9 PM–12 AM—(1 flights)
Jun 48% → May 57% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 48% | 29 |
| July 2025 | 73% | 30 |
| August 2025 | 77% | 31 |
| September 2025 | 80% | 30 |
| October 2025 | 87% | 30 |
| November 2025 | 78% | 27 |
| December 2025 | 85% | 13 |
| April 2026 | 38% | 16 |
| May 2026 | 57% | 30 |
- Departures on time
- 68%
- Diverted
- 0.4%
- Flights flown
- 238
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 243 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.