Flight Reliability
DL 1940 · Delta Air Lines
Fort Lauderdale → New York (FLL–JFK)97% of its flights flew this route. The rest (ATL–RAP, RAP–ATL) are included in these numbers.
85
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.6%
- Cancelled
- 7 min early
- Median arrival delay
Based on 158 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
DL 1940 arrived on time 86% of the time on Sundays. On Fridays: 76%.
Better than the FLL–JFK route average.
DL 1940 arrived on time 81% of the time, versus 69% across the FLL–JFK route.
The breakdown
- Mon82%(22 flights)
- Tue77%(22 flights)
- Wed82%(22 flights)
- Thu81%(21 flights)
- Fri76%(21 flights)
- Sat85%(26 flights)
- Sun86%(22 flights)
- 9 AM–12 PM81%(154 flights)
- 12–3 PM—(2 flights)
83%
Oct
Jun 78% → Oct 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 23 |
| July 2025 | 71% | 31 |
| August 2025 | 87% | 30 |
| September 2025 | 90% | 30 |
| October 2025 | 83% | 30 |
- Departures on time
- 80%
- Diverted
- 0.6%
- Flights flown
- 156
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 158 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.