Flight Reliability
DL 2431 · Delta Air Lines
Detroit → Denver (DTW–DEN)
75
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 0%
- Cancelled
- 1 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 2431 arrived on time 77% of the time on Saturdays. On Fridays: 64%.
Lagging the DTW–DEN route.
DL 2431 arrived on time 72% of the time, versus 80% across the DTW–DEN route.
Lagging the Delta Air Lines network.
DL 2431 arrived on time 72% of the time, versus 81% across the Delta Air Lines network.
It basically never cancels.
Out of 365 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon71%(51 flights)
- Tue73%(52 flights)
- Wed73%(52 flights)
- Thu76%(50 flights)
- Fri64%(52 flights)
- Sat77%(52 flights)
- Sun71%(52 flights)
87%
May
Jun 53% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 53% | 30 |
| July 2025 | 62% | 29 |
| August 2025 | 77% | 30 |
| September 2025 | 90% | 30 |
| October 2025 | 83% | 30 |
| November 2025 | 80% | 30 |
| December 2025 | 58% | 31 |
| January 2026 | 52% | 31 |
| February 2026 | 64% | 28 |
| March 2026 | 81% | 31 |
| April 2026 | 77% | 30 |
| May 2026 | 87% | 31 |
- Departures on time
- 78%
- Diverted
- 1.1%
- Flights flown
- 361
- 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.