ON TIMEBOARD

DL 4335 on time

Delta Air Lines 4335: Detroit to Pellston at 3:55 p.m.; Pellston to Detroit at 5:50 p.m. (past 12 months). Figures below the title are for DTW → PLN, its busiest leg

On time
68%
317 flights · likely 63–73%
Cancelled
12.6%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+95 min
average delay
Similar flights
72%
DL, same route & hour

About 1 in 3 DL 4335 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (32%); 12.6% were cancelled. The typical flight landed 10 minutes early.

DL 4335: DTW → PLN

Scheduled to leave Detroit at 3:55 p.m. local time, operated by SkyWest as OO 4335. Over the past year it arrived on time 68% of the time (317 flights), worse than other DL flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Detroit to Pellston (93% of days). Delta Air Lines's last DTW–PLN flight was cancelled 13.3% of the time, against 12.9% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:35 a.m. the next morning.

Month by month

10%55%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 94% on time (31 flights)94OctNov 2025: 72% on time (29 flights)72NovDec 2025: 45% on time (29 flights)45DecJan 2026: 43% on time (23 flights)43JanFeb 2026: 55% on time (20 flights)55FebMar 2026: 41% on time (22 flights)41MarApr 2026: 24% on time (21 flights)24AprMay 2026: 78% on time (23 flights)78MayJun 2026: 82% on time (28 flights)82JunJul 2026: 80% on time (30 flights)80JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5364%
Tuesday3177%
Wednesday3087%
Thursday5060%
Friday5267%
Saturday5072%
Sunday5161%

Why it was late

Airline (crew, maintenance, ops) 68%Severe weather 20%Air traffic & airport (NAS) 13%

All flights DTW → PLN · Connecting off DL 4335? Check the risk

DL 4335: PLN → DTW

Scheduled to leave Pellston at 5:50 p.m. local time, operated by SkyWest as OO 4335. Over the past year it arrived on time 71% of the time (317 flights), in line with other DL flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Pellston to Detroit (93% of days). Delta Air Lines's last PLN–DTW flight was cancelled 13.3% of the time, against 12.9% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 10:31 a.m. the next morning.

Month by month

20%60%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 90% on time (31 flights)90OctNov 2025: 72% on time (29 flights)72NovDec 2025: 59% on time (29 flights)59DecJan 2026: 43% on time (23 flights)43JanFeb 2026: 60% on time (20 flights)60FebMar 2026: 64% on time (22 flights)64MarApr 2026: 29% on time (21 flights)29AprMay 2026: 78% on time (23 flights)78MayJun 2026: 86% on time (28 flights)86JunJul 2026: 73% on time (30 flights)73JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday5370%
Tuesday3174%
Wednesday3083%
Thursday5064%
Friday5271%
Saturday5076%
Sunday5165%

Why it was late

Airline (crew, maintenance, ops) 69%Severe weather 19%Air traffic & airport (NAS) 12%

All flights PLN → DTW · Connecting off DL 4335? Check the risk

Questions

How often is DL 4335 from DTW to PLN late?

Delta Air Lines 4335 from Detroit, MI to Pellston, MI arrived 15 or more minutes late, was diverted or was cancelled on 32% of 317 scheduled flights between September 2025 and August 2026. 12.6% were cancelled.

How often is DL 4335 from PLN to DTW late?

Delta Air Lines 4335 from Pellston, MI to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 29% of 317 scheduled flights between September 2025 and August 2026. 12.6% 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.