Flight Reliability
DL 4802 · Delta Air Lines
Jacksonville → New York (JAX–JFK)
75
Usually Fine
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 2.6%
- Cancelled
- 11 min early
- Median arrival delay
Based on 192 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
DL 4802 arrived on time 86% of the time on Fridays and just 64% on Thursdays. That gap is worth planning around.
A bit behind the Delta Air Lines network.
DL 4802 arrived on time 78% of the time, versus 81% across the Delta Air Lines network.
Slipping a little lately.
DL 4802 arrived on time 75% of the time over the last three months in the data, compared with 82% in the three months before that.
The breakdown
- Mon75%(28 flights)
- Tue85%(27 flights)
- Wed82%(28 flights)
- Thu64%(25 flights)
- Fri86%(28 flights)
- Sat84%(25 flights)
- Sun69%(26 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM79%(186 flights)
75%
Dec
Jun 73% → Dec 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 22 |
| July 2025 | 68% | 28 |
| August 2025 | 84% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 68% | 31 |
| November 2025 | 83% | 29 |
| December 2025 | 75% | 16 |
- Departures on time
- 74%
- Diverted
- 0%
- Flights flown
- 187
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 192 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.