ON TIMEBOARD

DL 813 on time

Delta Air Lines 813: Detroit to Phoenix at 12:48 p.m. (past 12 months)

On time
77%
301 flights · likely 72–81%
Cancelled
0.7%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+72 min
average delay
Similar flights
77%
DL, same route & hour

About 1 in 4 DL 813 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (23%); 0.7% were cancelled. The typical flight landed 1 minutes early.

DL 813: DTW → PHX

Scheduled to leave Detroit at 12:48 p.m. local time. Over the past year it arrived on time 77% of the time (301 flights), in line with other DL flights on the route at that hour (77%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 84% on time (31 flights)84AugSep 2025: 83% on time (30 flights)83SepOct 2025: 97% on time (31 flights)97OctNov 2025: 79% on time (28 flights)79NovDec 2025: 52% on time (31 flights)52DecJan 2026: too few flights (4 flights)JanMar 2026: 96% on time (24 flights)96MarApr 2026: 90% on time (30 flights)90AprMay 2026: 77% on time (31 flights)77MayJun 2026: 70% on time (30 flights)70JunJul 2026: 74% on time (31 flights)74JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday4473%
Tuesday4381%
Wednesday4379%
Thursday4276%
Friday4283%
Saturday4377%
Sunday4470%

Why it was late

Airline (crew, maintenance, ops) 44%Late inbound plane 41%Air traffic & airport (NAS) 14%Severe weather 1%

All flights DTW → PHX · Connecting off DL 813? Check the risk

Questions

How often is DL 813 from DTW to PHX late?

Delta Air Lines 813 from Detroit, MI to Phoenix, AZ arrived 15 or more minutes late, was diverted or was cancelled on 23% of 301 scheduled flights between September 2025 and August 2026. 0.7% 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.