Flight OddsDL3863 DTW → STL
Delta Air Lines · Detroit, MI to St. Louis, MO · 36 flights observed, 2026-03-08 to 2026-04-12 · 440 mi
DL3863 covers more than one route in the data window — the stats below are for DTW → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+4 min
90th percentile
+56 min
Cancellation rate
0%
How often is DL3863 on time?
Across 36 flights on DTW → STL from 2026-03-08 to 2026-04-12, DL3863 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +56 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 | 23 | 64% |
| 16-30 min | 3 | 8% |
| 31-60 min | 7 | 19% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 24 | 63% | +37 min |
| 2026-04 | 12 | 67% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 5 | 40% |
| Wed | 5 | 60% |
| Thu | 5 | 80% |
| Fri | 5 | 60% |
| Sat | 5 | 80% |
| 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…