Flight Reliability
DL 5481 · Delta Air Lines
New York → Burlington (JFK–BTV)
42
Bring Snacks
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 9.5%
- Cancelled
- 7 min early
- Median arrival delay
Based on 348 historical flights. Data through May 2026.
What the data says
Skip Monday if you can.
DL 5481 arrived on time 83% of the time on Saturdays. On Mondays: 70%.
A bit behind the Delta Air Lines network.
DL 5481 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 5481 was cancelled 9.5% of the time. Typical for U.S. flights is around 1–2%.
Trending in the right direction.
DL 5481 arrived on time 79% of the time over the last three months in the data, compared with 68% in the three months before that.
The breakdown
- Mon70%(43 flights)
- Tue80%(45 flights)
- Wed77%(44 flights)
- Thu72%(43 flights)
- Fri76%(46 flights)
- Sat83%(47 flights)
- Sun71%(45 flights)
90%
May
Jun 58% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 58% | 24 |
| July 2025 | 80% | 20 |
| August 2025 | 80% | 30 |
| September 2025 | 93% | 28 |
| October 2025 | 71% | 28 |
| November 2025 | 76% | 29 |
| December 2025 | 59% | 17 |
| January 2026 | 83% | 24 |
| February 2026 | 62% | 26 |
| March 2026 | 78% | 27 |
| April 2026 | 70% | 30 |
| May 2026 | 90% | 30 |
- Departures on time
- 80%
- Diverted
- 0.6%
- Flights flown
- 313
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 348 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.