DL4086 DTW → GRR

Delta Air Lines · Detroit, MI to Grand Rapids, MI · 31 flights observed, 2026-05-07 to 2026-06-06 · 120 mi

This flight's reliability varies a lot by day of week — 100% on-time on Thursdays vs. 60% on Fridays.

DL4086 covers more than one route in the data window — the stats below are for DTW → GRR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-11 min
90th percentile
+76 min
Cancellation rate
0%

How often is DL4086 on time?

Across 31 flights on DTW → GRR from 2026-05-07 to 2026-06-06, DL4086 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +76 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2581%
16-30 min26%
31-60 min00%
61-120 min310%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-052584%+0 min
2026-06667%+21 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue4100%
Wed450%
Thu5100%
Fri560%
Sat5100%
Sun450%

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