ON TIMEBOARD

DL 901 on time

Delta Air Lines 901: Phoenix to Atlanta at 7:00 a.m. (past 12 months)

On time
88%
364 flights · likely 84–91%
Cancelled
1.4%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+158 min
average delay
Similar flights
87%
DL, same route & hour

About 1 in 8 DL 901 flights from Phoenix arrived 15+ minutes late, diverted or cancelled over the past year (12%); 1.4% were cancelled. The typical flight landed 11 minutes early.

DL 901: PHX → ATL

Scheduled to leave Phoenix at 7:00 a.m. local time. Over the past year it arrived on time 88% of the time (364 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 94% on time (31 flights)94OctNov 2025: 90% on time (30 flights)90NovDec 2025: 87% on time (31 flights)87DecJan 2026: 94% on time (31 flights)94JanFeb 2026: 100% on time (28 flights)100FebMar 2026: 71% on time (31 flights)71MarApr 2026: 97% on time (30 flights)97AprMay 2026: 93% on time (30 flights)93MayJun 2026: 87% on time (30 flights)87JunJul 2026: 65% on time (31 flights)65JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday5288%
Wednesday5292%
Thursday5184%
Friday5290%
Saturday5285%
Sunday5287%

Why it was late

Airline (crew, maintenance, ops) 79%Air traffic & airport (NAS) 8%Severe weather 8%Late inbound plane 5%

All flights PHX → ATL · Connecting off DL 901? Check the risk

Questions

How often is DL 901 from PHX to ATL late?

Delta Air Lines 901 from Phoenix, AZ to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 364 scheduled flights between September 2025 and August 2026. 1.4% 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.