Flight Reliability
DL 1078 · Delta Air Lines
New York → Detroit (LGA–DTW)
88
Pretty Reliable
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 2.5%
- Cancelled
- 13 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 1078 arrived on time 100% of the time on Wednesdays and just 84% on Sundays. That gap is worth planning around.
Better than the LGA–DTW route average.
DL 1078 arrived on time 90% of the time, versus 78% across the LGA–DTW route.
Better than the Delta Air Lines network average.
DL 1078 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.
Slipping a little lately.
DL 1078 arrived on time 89% of the time over the last three months in the data, compared with 92% in the three months before that.
The breakdown
- Mon90%(48 flights)
- Tue92%(51 flights)
- Wed100%(51 flights)
- Thu87%(52 flights)
- Fri89%(52 flights)
- Sat89%(52 flights)
- Sun84%(49 flights)
87%
May
Jun 80% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 87% | 31 |
| August 2025 | 97% | 30 |
| September 2025 | 90% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 90% | 29 |
| December 2025 | 87% | 30 |
| January 2026 | 93% | 30 |
| February 2026 | 96% | 25 |
| March 2026 | 93% | 29 |
| April 2026 | 86% | 29 |
| May 2026 | 87% | 31 |
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 355
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 364 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.