DL4173 DTW → MBS

Delta Air Lines · Detroit, MI to Saginaw/Bay City/Midland, MI · 290 flights observed, 2025-07-01 to 2026-06-30 · 98 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -11 min, while the worst 10% run +72 min or later.

DL4173 covers more than one route in the data window — the stats below are for DTW → MBS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
-11 min
90th percentile
+72 min
Cancellation rate
1%

How often is DL4173 on time?

Across 290 flights on DTW → MBS from 2025-07-01 to 2026-06-30, DL4173 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +72 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time22779%
16-30 min93%
31-60 min186%
61-120 min217%
2+ hrs114%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073165%+20 min
2025-083181%+4 min
2025-093097%-9 min
2025-103194%-8 min
2025-112889%0 min
2025-123080%+10 min
2026-013161%+68 min
2026-022665%+7 min
2026-03683%+16 min
2026-051385%+11 min
2026-062979%+8 min

Performance by day of week

DayFlightsOn-time
Mon4080%
Tue4178%
Wed4078%
Thu4185%
Fri4276%
Sat4283%
Sun4075%

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