Flight OddsDL4979 HPN → DTW
Delta Air Lines · White Plains, NY to Detroit, MI · 127 flights observed, 2025-08-11 to 2025-12-19 · 505 mi
DL4979 covers more than one route in the data window — the stats below are for HPN → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-10 min
90th percentile
+70 min
Cancellation rate
2%
How often is DL4979 on time?
Across 127 flights on HPN → DTW from 2025-08-11 to 2025-12-19, DL4979 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +70 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 100 | 81% |
| 16-30 min | 4 | 3% |
| 31-60 min | 6 | 5% |
| 61-120 min | 7 | 6% |
| 2+ hrs | 7 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 21 | 81% | +13 min |
| 2025-09 | 30 | 77% | +14 min |
| 2025-10 | 31 | 90% | +6 min |
| 2025-11 | 25 | 88% | -2 min |
| 2025-12 | 17 | 59% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 74% |
| Tue | 19 | 79% |
| Wed | 19 | 95% |
| Thu | 19 | 84% |
| Fri | 19 | 74% |
| Sat | 13 | 92% |
| Sun | 16 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…