DL3789 STL → DTW

Delta Air Lines · St. Louis, MO to Detroit, MI · 15 flights observed, 2025-12-21 to 2026-01-04 · 440 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -10 min, while the worst 10% run +150 min or later.

DL3789 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
86%
Median delay
-10 min
90th percentile
+150 min
Cancellation rate
7%

How often is DL3789 on time?

Across 15 flights on STL → DTW from 2025-12-21 to 2026-01-04, DL3789 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +150 min or later. 7% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1286%
16-30 min00%
31-60 min00%
61-120 min00%
2+ hrs214%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121080%+44 min
2026-014100%-7 min

Performance by day of week

DayFlightsOn-time
Mon250%
Tue250%
Wed2100%
Thu2100%
Fri1100%
Sat2100%
Sun3100%

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