ON TIMEBOARD

DL 1070 on time

Delta Air Lines 1070: Detroit to Phoenix at 8:35 a.m.; Phoenix to Detroit at 12:45 p.m. (past 12 months). Figures below the title are for DTW → PHX, its busiest leg

On time
78%
365 flights · likely 73–82%
Cancelled
1.1%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+57 min
average delay
Similar flights
78%
DL, same route & hour

About 1 in 4 DL 1070 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (22%); 1.1% were cancelled. The typical flight landed 2 minutes early.

DL 1070: DTW → PHX

Scheduled to leave Detroit at 8:35 a.m. local time. Over the past year it arrived on time 78% of the time (365 flights), in line with other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 87% on time (31 flights)87OctNov 2025: 67% on time (30 flights)67NovDec 2025: 55% on time (31 flights)55DecJan 2026: 45% on time (31 flights)45JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 97% on time (31 flights)97MarApr 2026: 77% on time (30 flights)77AprMay 2026: 81% on time (31 flights)81MayJun 2026: 83% on time (30 flights)83JunJul 2026: 90% on time (31 flights)90JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday5375%
Tuesday5267%
Wednesday5285%
Thursday5287%
Friday5281%
Saturday5273%
Sunday5275%

Why it was late

Airline (crew, maintenance, ops) 67%Air traffic & airport (NAS) 24%Late inbound plane 5%Severe weather 4%

All flights DTW → PHX · Connecting off DL 1070? Check the risk

DL 1070: PHX → DTW

Scheduled to leave Phoenix at 12:45 p.m. local time. Over the past year it arrived on time 81% of the time (304 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 97% on time (31 flights)97AugSep 2025: 87% on time (30 flights)87SepOct 2025: 90% on time (31 flights)90OctNov 2025: 76% on time (29 flights)76NovDec 2025: 77% on time (31 flights)77DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 86% on time (28 flights)86FebMar 2026: too few flights (7 flights)MarMay 2026: 92% on time (25 flights)92MayJun 2026: 80% on time (30 flights)80JunJul 2026: 81% on time (31 flights)81JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday4480%
Tuesday4379%
Wednesday4379%
Thursday4398%
Friday4482%
Saturday4473%
Sunday4379%

Why it was late

Late inbound plane 47%Airline (crew, maintenance, ops) 43%Air traffic & airport (NAS) 10%

All flights PHX → DTW · Connecting off DL 1070? Check the risk

Questions

How often is DL 1070 from DTW to PHX late?

Delta Air Lines 1070 from Detroit, MI to Phoenix, AZ arrived 15 or more minutes late, was diverted or was cancelled on 22% of 365 scheduled flights between September 2025 and August 2026. 1.1% were cancelled.

How often is DL 1070 from PHX to DTW late?

Delta Air Lines 1070 from Phoenix, AZ to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 19% of 304 scheduled flights between September 2025 and August 2026. 1.3% 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.