Flight Reliability
DL 2387 · Delta Air Lines
Miami → New York (MIA–LGA)
82
Pretty Reliable
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 2.7%
- Cancelled
- 8 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 2387 arrived on time 90% of the time on Fridays. On Sundays: 80%.
Well ahead of the MIA–LGA route.
DL 2387 arrived on time 86% of the time, versus 68% across the MIA–LGA route.
A bit ahead of the Delta Air Lines network.
DL 2387 arrived on time 86% of the time, versus 81% across the Delta Air Lines network.
Recent months have been rougher.
DL 2387 arrived on time 75% of the time over the last three months in the data, compared with 85% in the three months before that.
The breakdown
- Mon86%(49 flights)
- Tue88%(51 flights)
- Wed88%(49 flights)
- Thu87%(52 flights)
- Fri90%(50 flights)
- Sat87%(52 flights)
- Sun80%(51 flights)
77%
May
Jun 89% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 89% | 28 |
| July 2025 | 90% | 30 |
| August 2025 | 97% | 30 |
| September 2025 | 93% | 30 |
| October 2025 | 97% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 77% | 30 |
| January 2026 | 90% | 30 |
| February 2026 | 89% | 26 |
| March 2026 | 66% | 29 |
| April 2026 | 83% | 29 |
| May 2026 | 77% | 31 |
- Departures on time
- 90%
- Diverted
- 0.3%
- Flights flown
- 354
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.