Flight Reliability
DL 513 · Delta Air Lines
Atlanta → New York (ATL–LGA)100% of its flights flew this route. The rest (BOS–BNA) are included in these numbers.
80
Pretty Reliable
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 4.3%
- Cancelled
- 9 min early
- Median arrival delay
Based on 348 historical flights. Data through May 2026.
What the data says
Tuesday is the weak spot.
DL 513 arrived on time 94% of the time on Wednesdays. On Tuesdays: 84%.
Well ahead of the ATL–LGA route.
DL 513 arrived on time 90% of the time, versus 73% across the ATL–LGA route.
Better than the Delta Air Lines network average.
DL 513 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 513 was cancelled 4.3% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon89%(44 flights)
- Tue84%(51 flights)
- Wed94%(50 flights)
- Thu90%(52 flights)
- Fri94%(50 flights)
- Sat86%(36 flights)
- Sun88%(50 flights)
100%
May
Jun 96% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 96% | 28 |
| July 2025 | 90% | 31 |
| August 2025 | 93% | 27 |
| September 2025 | 96% | 26 |
| October 2025 | 87% | 30 |
| November 2025 | 90% | 30 |
| December 2025 | 79% | 29 |
| January 2026 | 83% | 29 |
| February 2026 | 96% | 26 |
| March 2026 | 81% | 26 |
| April 2026 | 85% | 26 |
| May 2026 | 100% | 25 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 333
- 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.