Flight OddsDL3621 HSV → DTW
Delta Air Lines · Huntsville, AL to Detroit, MI · 26 flights observed, 2025-09-01 to 2026-05-06 · 554 mi
DL3621 covers more than one route in the data window — the stats below are for HSV → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-2 min
90th percentile
+34 min
Cancellation rate
0%
How often is DL3621 on time?
Across 26 flights on HSV → DTW from 2025-09-01 to 2026-05-06, DL3621 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +34 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 | 77% |
| 16-30 min | 2 | 8% |
| 31-60 min | 3 | 12% |
| 61-120 min | 1 | 4% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 2 | 100% | 0 min |
| 2026-04 | 18 | 83% | -1 min |
| 2026-05 | 6 | 50% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 3 | 100% |
| Fri | 3 | 33% |
| Sat | 3 | 100% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…