Flight Reliability
DL 697 · Delta Air Lines
Salt Lake City → New York (SLC–JFK)
81
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 1.6%
- Cancelled
- 13 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 697 arrived on time 84% of the time on Fridays. On Sundays: 76%.
The breakdown
- Mon84%(50 flights)
- Tue81%(52 flights)
- Wed80%(51 flights)
- Thu77%(52 flights)
- Fri84%(51 flights)
- Sat79%(52 flights)
- Sun76%(50 flights)
81%
May
Jun 77% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 30 |
| July 2025 | 58% | 31 |
| August 2025 | 77% | 31 |
| September 2025 | 83% | 30 |
| October 2025 | 77% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 90% | 30 |
| January 2026 | 83% | 29 |
| February 2026 | 80% | 25 |
| March 2026 | 83% | 30 |
| April 2026 | 83% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 74%
- Diverted
- 0.3%
- Flights flown
- 358
- 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.