Flight OddsDL1620 STL → DTW
Delta Air Lines · St. Louis, MO to Detroit, MI · 31 flights observed, 2026-03-08 to 2026-04-12 · 440 mi
DL1620 covers more than one route in the data window — the stats below are for STL → 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
+101 min
Cancellation rate
0%
How often is DL1620 on time?
Across 31 flights on STL → DTW from 2026-03-08 to 2026-04-12, DL1620 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +101 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 | 25 | 81% |
| 16-30 min | 1 | 3% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 3 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 21 | 76% | +26 min |
| 2026-04 | 10 | 90% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 60% |
| Wed | 5 | 100% |
| Thu | 5 | 80% |
| Fri | 5 | 80% |
| Sat | No data | — |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…