ON TIMEBOARD

DL 785 on time

Delta Air Lines 785: Phoenix to Detroit at 4:20 p.m. (past 12 months)

On time
78%
186 flights · likely 71–83%
Cancelled
1.1%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+102 min
average delay
Similar flights
81%
DL, same route & hour

About 1 in 5 DL 785 flights from Phoenix arrived 15+ minutes late, diverted or cancelled over the past year (22%); 1.1% were cancelled. The typical flight landed 8 minutes early.

DL 785: PHX → DTW

Scheduled to leave Phoenix at 4:20 p.m. local time. Over the past year it arrived on time 78% of the time (186 flights), worse than other DL flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 70% on time (23 flights)70JunJul 2025: 52% on time (31 flights)52JulAug 2025: 74% on time (31 flights)74AugSep 2025: 87% on time (30 flights)87SepOct 2025: 94% on time (31 flights)94OctNov 2025: 86% on time (28 flights)86NovDec 2025: 68% on time (19 flights)68DecJun 2026: 57% on time (21 flights)57JunJul 2026: 67% on time (27 flights)67JulAug 2026: 77% on time (30 flights)77Aug

By day of week

DayFlightsOn time
Monday2976%
Tuesday2889%
Wednesday2875%
Thursday2785%
Friday2778%
Saturday19—
Sunday2857%

Why it was late

Late inbound plane 35%Airline (crew, maintenance, ops) 30%Severe weather 28%Air traffic & airport (NAS) 7%

All flights PHX → DTW · Connecting off DL 785? Check the risk

Questions

How often is DL 785 from PHX to DTW late?

Delta Air Lines 785 from Phoenix, AZ to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 22% of 186 scheduled flights between September 2025 and August 2026. 1.1% 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.