Flight Reliability
DL 1924 · Delta Air Lines
Miami → New York (MIA–JFK)
94
Nerd Approved
WanderNerd Reliability Score
- 97%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 2.6%
- Cancelled
- 8 min early
- Median arrival delay
Based on 190 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 1924 arrived on time 100% of the time on Mondays. On Sundays: 89%.
Well ahead of the MIA–JFK route.
DL 1924 arrived on time 97% of the time, versus 72% across the MIA–JFK route.
Well ahead of the Delta Air Lines network.
DL 1924 arrived on time 97% of the time, versus 81% across the Delta Air Lines network.
Slipping a little lately.
DL 1924 arrived on time 95% of the time over the last three months in the data, compared with 99% in the three months before that.
The breakdown
- Mon100%(27 flights)
- Tue96%(28 flights)
- Wed96%(27 flights)
- Thu100%(27 flights)
- Fri96%(27 flights)
- Sat100%(21 flights)
- Sun89%(28 flights)
94%
Dec
Jun 95% → Dec 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 95% | 21 |
| July 2025 | 97% | 29 |
| August 2025 | 100% | 31 |
| September 2025 | 100% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 100% | 26 |
| December 2025 | 94% | 17 |
- Departures on time
- 96%
- Diverted
- 0%
- Flights flown
- 185
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 190 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.