Flight Reliability
DL 887 · Delta Air Lines
New York → Salt Lake City (JFK–SLC)
83
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.8%
- Cancelled
- 9 min early
- Median arrival delay
Based on 364 historical flights. Data through May 2026.
What the data says
Thursday is the weak spot.
DL 887 arrived on time 83% of the time on Tuesdays. On Thursdays: 71%.
Ticking up lately.
DL 887 arrived on time 81% of the time over the last three months in the data, compared with 75% in the three months before that.
The breakdown
- Mon80%(50 flights)
- Tue83%(52 flights)
- Wed83%(52 flights)
- Thu71%(52 flights)
- Fri77%(52 flights)
- Sat79%(52 flights)
- Sun82%(50 flights)
84%
May
Jun 53% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 53% | 30 |
| July 2025 | 87% | 30 |
| August 2025 | 93% | 30 |
| September 2025 | 83% | 30 |
| October 2025 | 77% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 74% | 31 |
| January 2026 | 66% | 29 |
| February 2026 | 85% | 27 |
| March 2026 | 71% | 31 |
| April 2026 | 87% | 30 |
| May 2026 | 84% | 31 |
- Departures on time
- 81%
- Diverted
- 0.3%
- Flights flown
- 360
- 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.