Flight OddsDL4964 JFK → DTW
Delta Air Lines · New York, NY to Detroit, MI · 7 flights observed, 2026-04-15 to 2026-05-06 · 509 mi
DL4964 covers more than one route in the data window — the stats below are for JFK → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-32 min
90th percentile
+7 min
Cancellation rate
0%
How often is DL4964 on time?
Across 7 flights on JFK → DTW from 2026-04-15 to 2026-05-06, DL4964 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -32 min, and the worst 10% of flights arrived +7 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 86% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 14% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 5 | 80% | -16 min |
| 2026-05 | 2 | 100% | -30 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | 4 | 75% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 3 | 100% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…