Flight Reliability
DL 5264 · Delta Air Lines
New York → Buffalo (JFK–BUF)
50
A Little Dicey
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 9.5%
- Cancelled
- 16 min early
- Median arrival delay
Based on 347 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 5264 arrived on time 89% of the time on Saturdays and just 62% on Sundays. That gap is worth planning around.
Keep a backup plan handy.
DL 5264 was cancelled 9.5% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon82%(45 flights)
- Tue87%(46 flights)
- Wed84%(44 flights)
- Thu71%(45 flights)
- Fri81%(47 flights)
- Sat89%(45 flights)
- Sun62%(42 flights)
83%
May
Jun 64% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 22 |
| July 2025 | 71% | 21 |
| August 2025 | 79% | 29 |
| September 2025 | 93% | 29 |
| October 2025 | 77% | 30 |
| November 2025 | 75% | 28 |
| December 2025 | 77% | 17 |
| January 2026 | 88% | 24 |
| February 2026 | 80% | 25 |
| March 2026 | 77% | 30 |
| April 2026 | 86% | 29 |
| May 2026 | 83% | 30 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 314
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 347 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.