Flight Reliability
DL 2869 · Delta Air Lines
Washington → Detroit (DCA–DTW)
89
Pretty Reliable
WanderNerd Reliability Score
- 94%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 3.3%
- Cancelled
- 15 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 2869 arrived on time 98% of the time on Tuesdays. On Fridays: 88%.
Well ahead of the DCA–DTW route.
DL 2869 arrived on time 94% of the time, versus 77% across the DCA–DTW route.
Better than the Delta Air Lines network average.
DL 2869 arrived on time 94% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 2869 was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon94%(50 flights)
- Tue98%(50 flights)
- Wed96%(49 flights)
- Thu96%(51 flights)
- Fri88%(50 flights)
- Sat92%(51 flights)
- Sun92%(52 flights)
93%
May
Jun 97% → May 93% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 30 |
| July 2025 | 90% | 30 |
| August 2025 | 100% | 29 |
| September 2025 | 90% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 93% | 30 |
| December 2025 | 84% | 31 |
| January 2026 | 92% | 26 |
| February 2026 | 100% | 27 |
| March 2026 | 90% | 29 |
| April 2026 | 100% | 30 |
| May 2026 | 93% | 30 |
- Departures on time
- 94%
- Diverted
- 0%
- Flights flown
- 353
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.