Flight OddsDL4661 JFK → DTW
Delta Air Lines · New York, NY to Detroit, MI · 62 flights observed, 2026-01-05 to 2026-03-07 · 509 mi
DL4661 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
81%
Median delay
-11 min
90th percentile
+39 min
Cancellation rate
6%
How often is DL4661 on time?
Across 62 flights on JFK → DTW from 2026-01-05 to 2026-03-07, DL4661 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +39 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 47 | 81% |
| 16-30 min | 2 | 3% |
| 31-60 min | 5 | 9% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 3 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 25 | 80% | +7 min |
| 2026-02 | 26 | 85% | +1 min |
| 2026-03 | 7 | 71% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 8 | 88% |
| Wed | 9 | 89% |
| Thu | 9 | 100% |
| Fri | 9 | 89% |
| Sat | 9 | 56% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…