Flight Reliability
DL 5289 · Delta Air Lines
Rochester → New York (ROC–JFK)
39
Bring Snacks
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 9.7%
- Cancelled
- 10 min early
- Median arrival delay
Based on 359 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
DL 5289 departing between 3–6 PM arrived on time 73% of the time, versus 40% between 6–9 PM.
Sunday scaries are real for this one.
DL 5289 arrived on time 78% of the time on Wednesdays and just 56% on Sundays. That gap is worth planning around.
Lagging the ROC–JFK route.
DL 5289 arrived on time 72% of the time, versus 82% across the ROC–JFK route.
Lagging the Delta Air Lines network.
DL 5289 arrived on time 72% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon70%(46 flights)
- Tue77%(48 flights)
- Wed78%(46 flights)
- Thu70%(43 flights)
- Fri77%(48 flights)
- Sat75%(47 flights)
- Sun56%(45 flights)
- 3–6 PM73%(313 flights)
- 6–9 PM40%(10 flights)
80%
May
Jun 52% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 52% | 23 |
| July 2025 | 68% | 19 |
| August 2025 | 83% | 30 |
| September 2025 | 76% | 29 |
| October 2025 | 80% | 30 |
| November 2025 | 67% | 27 |
| December 2025 | 32% | 25 |
| January 2026 | 67% | 27 |
| February 2026 | 76% | 25 |
| March 2026 | 79% | 28 |
| April 2026 | 90% | 30 |
| May 2026 | 80% | 30 |
- Departures on time
- 69%
- Diverted
- 0.3%
- Flights flown
- 323
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 359 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.