DL4873 DTW → STL

Delta Air Lines · Detroit, MI to St. Louis, MO · 10 flights observed, 2025-08-15 to 2025-10-03 · 440 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -13 min, while the worst 10% run +55 min or later.

DL4873 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
80%
Median delay
-13 min
90th percentile
+55 min
Cancellation rate
0%

How often is DL4873 on time?

Across 10 flights on DTW → STL from 2025-08-15 to 2025-10-03, DL4873 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +55 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time880%
16-30 min00%
31-60 min110%
61-120 min110%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-08450%+28 min
2025-095100%-13 min
2025-101100%-26 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
Fri580%
SatNo data—
Sun580%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…