ON TIMEBOARD

DL 335 on time

Delta Air Lines 335: San Francisco to Detroit at 10:55 p.m. (past 12 months)

On time
71%
364 flights · likely 66–76%
Cancelled
0.5%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+53 min
average delay
Similar flights
75%
DL, same route & hour

About 1 in 3 DL 335 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (29%); 0.5% were cancelled. The typical flight landed 2 minutes early.

DL 335: SFO → DTW

Scheduled to leave San Francisco at 10:55 p.m. local time. Over the past year it arrived on time 71% of the time (364 flights), worse than other DL flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from San Francisco to Detroit (93% of days). Delta Air Lines's last SFO–DTW flight was cancelled 0.8% of the time, against 0.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 5:40 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 74% on time (31 flights)74OctNov 2025: 86% on time (29 flights)86NovDec 2025: 77% on time (31 flights)77DecJan 2026: 65% on time (31 flights)65JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 87% on time (31 flights)87MarApr 2026: 93% on time (30 flights)93AprMay 2026: 42% on time (31 flights)42MayJun 2026: 47% on time (30 flights)47JunJul 2026: 65% on time (31 flights)65JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday5279%
Wednesday5269%
Thursday5167%
Friday5260%
Saturday5287%
Sunday5263%

Why it was late

Late inbound plane 51%Airline (crew, maintenance, ops) 37%Air traffic & airport (NAS) 12%

All flights SFO → DTW · Connecting off DL 335? Check the risk

Questions

How often is DL 335 from SFO to DTW late?

Delta Air Lines 335 from San Francisco, CA to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 29% of 364 scheduled flights between September 2025 and August 2026. 0.5% 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.