Flight Reliability
DL 5417 · Delta Air Lines
New York → Rochester (LGA–ROC)
20
Bring Snacks
WanderNerd Reliability Score
- 67%
- Arrive within 15 minutes
- 26 min
- Average arrival delay
- 11.7%
- Cancelled
- 2 min early
- Median arrival delay
Based on 299 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
DL 5417 arrived on time 75% of the time on Fridays and just 51% on Thursdays. That gap is worth planning around.
A bit behind the LGA–ROC route.
DL 5417 arrived on time 67% of the time, versus 71% across the LGA–ROC route.
Lagging the Delta Air Lines network.
DL 5417 arrived on time 67% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 5417 was cancelled 11.7% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon64%(45 flights)
- Tue71%(45 flights)
- Wed70%(43 flights)
- Thu51%(43 flights)
- Fri75%(47 flights)
- Sat—(1 flights)
- Sun70%(40 flights)
78%
May
Jun 55% → May 78% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 55% | 22 |
| July 2025 | 59% | 17 |
| August 2025 | 88% | 25 |
| September 2025 | 92% | 25 |
| October 2025 | 63% | 24 |
| November 2025 | 52% | 23 |
| December 2025 | 31% | 16 |
| January 2026 | 85% | 20 |
| February 2026 | 73% | 22 |
| March 2026 | 59% | 22 |
| April 2026 | 56% | 25 |
| May 2026 | 78% | 23 |
- Departures on time
- 63%
- Diverted
- 0%
- Flights flown
- 264
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 299 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.