Flight OddsDL4948 JFK → DTW
Delta Air Lines · New York, NY to Detroit, MI · 24 flights observed, 2026-04-13 to 2026-05-06 · 509 mi
DL4948 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
83%
Median delay
-13 min
90th percentile
+32 min
Cancellation rate
0%
How often is DL4948 on time?
Across 24 flights on JFK → DTW from 2026-04-13 to 2026-05-06, DL4948 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +32 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 | 20 | 83% |
| 16-30 min | 1 | 4% |
| 31-60 min | 2 | 8% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 18 | 78% | -5 min |
| 2026-05 | 6 | 100% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | 3 | 100% |
| Fri | 3 | 67% |
| Sat | 3 | 67% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…