Flight Reliability
DL 2443 · Delta Air Lines
New York → Detroit (JFK–DTW)
76
Usually Fine
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 2.5%
- Cancelled
- 13 min early
- Median arrival delay
Based on 320 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
DL 2443 arrived on time 88% of the time on Tuesdays and just 72% on Saturdays. That gap is worth planning around.
Ticking up lately.
DL 2443 arrived on time 85% of the time over the last three months in the data, compared with 79% in the three months before that.
The breakdown
- Mon83%(48 flights)
- Tue88%(49 flights)
- Wed74%(38 flights)
- Thu78%(49 flights)
- Fri84%(49 flights)
- Sat72%(32 flights)
- Sun72%(47 flights)
- 3–6 PM79%(305 flights)
- 6–9 PM—(7 flights)
83%
May
Jun 55% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 55% | 29 |
| July 2025 | 59% | 29 |
| August 2025 | 77% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 97% | 30 |
| December 2025 | 83% | 18 |
| January 2026 | 59% | 22 |
| February 2026 | 95% | 19 |
| March 2026 | 83% | 23 |
| April 2026 | 91% | 21 |
| May 2026 | 83% | 29 |
- Departures on time
- 81%
- Diverted
- 0%
- Flights flown
- 312
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 320 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.