Flight OddsDL4720 STL → DTW
Delta Air Lines · St. Louis, MO to Detroit, MI · 5 flights observed, 2026-03-14 to 2026-04-11 · 440 mi
DL4720 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
80%
Median delay
-1 min
90th percentile
+47 min
Cancellation rate
0%
How often is DL4720 on time?
Across 5 flights on STL → DTW from 2026-03-14 to 2026-04-11, DL4720 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +47 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 | 4 | 80% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 20% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | +27 min |
| 2026-04 | 2 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 5 | 80% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…