Flight Reliability
DL 1405 · Delta Air Lines
Charlotte → Detroit (CLT–DTW)
98
Nerd Approved
WanderNerd Reliability Score
- 95%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 1.4%
- Cancelled
- 14 min early
- Median arrival delay
Based on 361 historical flights. Data through May 2026.
What the data says
Tuesday has been the better bet.
A small edge: 98% on time on Tuesdays against 92% on Fridays.
Better than the CLT–DTW route average.
DL 1405 arrived on time 95% of the time, versus 82% across the CLT–DTW route.
Better than the Delta Air Lines network average.
DL 1405 arrived on time 95% of the time, versus 81% across the Delta Air Lines network.
Trending in the right direction.
DL 1405 arrived on time 98% of the time over the last three months in the data, compared with 91% in the three months before that.
The breakdown
- Mon96%(52 flights)
- Tue98%(52 flights)
- Wed94%(50 flights)
- Thu96%(49 flights)
- Fri92%(52 flights)
- Sat94%(52 flights)
- Sun96%(49 flights)
100%
May
Jun 97% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 97% | 29 |
| July 2025 | 100% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 100% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 93% | 30 |
| December 2025 | 75% | 28 |
| January 2026 | 97% | 29 |
| February 2026 | 100% | 27 |
| March 2026 | 97% | 30 |
| April 2026 | 97% | 30 |
| May 2026 | 100% | 30 |
- Departures on time
- 94%
- Diverted
- 0%
- Flights flown
- 356
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 361 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.