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Delta Air Lines / DTW → GRR

DL 3500 on time

Delta Air Lines 3500: Detroit to Grand Rapids at 8:50 a.m.; Grand Rapids to Detroit at 10:34 a.m. (past 12 months). Figures below the title are for DTW → GRR, its busiest leg

On time
74%
203 flights · likely 67–79%
Cancelled
0.0%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+69 min
average delay
Similar flights
74%
DL, same route & hour

About 1 in 4 DL 3500 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (26%); 0.0% were cancelled. The typical flight landed 8 minutes early.

DL 3500: DTW → GRR

Scheduled to leave Detroit at 8:50 a.m. local time, operated by SkyWest as OO 3500. Over the past year it arrived on time 74% of the time (203 flights), in line with other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: too few flights (1 flights)JunJan 2026: 47% on time (15 flights)47JanFeb 2026: too few flights (14 flights)FebMar 2026: 72% on time (25 flights)72MarApr 2026: 83% on time (30 flights)83AprMay 2026: 84% on time (31 flights)84MayJun 2026: 77% on time (30 flights)77JunJul 2026: 68% on time (31 flights)68JulAug 2026: 78% on time (27 flights)78Aug

By day of week

DayFlightsOn time
Monday3077%
Tuesday2976%
Wednesday2979%
Thursday2875%
Friday2864%
Saturday3077%
Sunday2969%

Why it was late

Airline (crew, maintenance, ops) 71%Severe weather 20%Air traffic & airport (NAS) 8%

All flights DTW → GRR · Connecting off DL 3500? Check the risk

DL 3500: GRR → DTW

Scheduled to leave Grand Rapids at 10:34 a.m. local time, operated by SkyWest as OO 3500. Over the past year it arrived on time 81% of the time (203 flights), in line with other DL flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: too few flights (1 flights)JunJan 2026: 47% on time (15 flights)47JanFeb 2026: too few flights (14 flights)FebMar 2026: 84% on time (25 flights)84MarApr 2026: 87% on time (30 flights)87AprMay 2026: 90% on time (31 flights)90MayJun 2026: 87% on time (30 flights)87JunJul 2026: 81% on time (31 flights)81JulAug 2026: 85% on time (27 flights)85Aug

By day of week

DayFlightsOn time
Monday3073%
Tuesday2979%
Wednesday2979%
Thursday2889%
Friday2871%
Saturday3090%
Sunday2986%

Why it was late

Airline (crew, maintenance, ops) 65%Severe weather 29%Air traffic & airport (NAS) 5%

All flights GRR → DTW · Connecting off DL 3500? Check the risk

Questions

How often is DL 3500 from DTW to GRR late?

Delta Air Lines 3500 from Detroit, MI to Grand Rapids, MI arrived 15 or more minutes late, was diverted or was cancelled on 26% of 203 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is DL 3500 from GRR to DTW late?

Delta Air Lines 3500 from Grand Rapids, MI to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 19% of 203 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.