ON TIMEBOARD

DL 308 on time

Delta Air Lines 308: New York to Detroit at 2:29 p.m. (past 12 months)

On time
73%
224 flights · likely 67–79%
Cancelled
2.2%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+96 min
average delay
Similar flights
71%
DL, same route & hour

About 1 in 4 DL 308 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (27%); 2.2% were cancelled. The typical flight landed 9 minutes early.

DL 308: LGA → DTW

Scheduled to leave New York at 2:29 p.m. local time. Over the past year it arrived on time 73% of the time (224 flights), in line with other DL flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Jun 2025: 58% on time (26 flights)58JunJul 2025: 56% on time (27 flights)56JulAug 2025: 92% on time (26 flights)92AugSep 2025: 100% on time (26 flights)100SepOct 2025: 67% on time (27 flights)67OctNov 2025: 68% on time (25 flights)68NovDec 2025: 29% on time (17 flights)29DecApr 2026: 89% on time (18 flights)89AprMay 2026: 90% on time (31 flights)90MayJun 2026: 70% on time (27 flights)70JunJul 2026: 67% on time (27 flights)67JulAug 2026: 65% on time (26 flights)65Aug

By day of week

DayFlightsOn time
Monday3754%
Tuesday3675%
Wednesday3686%
Thursday3678%
Friday3574%
Saturday9—
Sunday3569%

Why it was late

Air traffic & airport (NAS) 38%Airline (crew, maintenance, ops) 34%Late inbound plane 26%Severe weather 2%

All flights LGA → DTW · Connecting off DL 308? Check the risk

Questions

How often is DL 308 from LGA to DTW late?

Delta Air Lines 308 from New York, NY to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 27% of 224 scheduled flights between September 2025 and August 2026. 2.2% 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.