ON TIMEBOARD

DL 842 on time

Delta Air Lines 842: Atlanta to Phoenix at 9:59 p.m. (past 12 months)

On time
72%
315 flights · likely 67–77%
Cancelled
0.9%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+45 min
average delay
Similar flights
73%
DL, same route & hour

About 1 in 4 DL 842 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (28%); 0.9% were cancelled. The typical flight landed 1 minutes late.

DL 842: ATL → PHX

Scheduled to leave Atlanta at 9:59 p.m. local time. Over the past year it arrived on time 72% of the time (315 flights), in line with other DL flights on the route at that hour (73%). Last seen in the data Aug 30, 2026.

Usually Delta Air Lines's last flight of the day from Atlanta to Phoenix (100% of days). Delta Air Lines's last ATL–PHX flight was cancelled 0.8% of the time, against 0.9% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:10 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 73% on time (30 flights)73SepOct 2025: 74% on time (31 flights)74OctNov 2025: 77% on time (30 flights)77NovDec 2025: 68% on time (19 flights)68DecJan 2026: 70% on time (27 flights)70JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 77% on time (31 flights)77MarApr 2026: 87% on time (30 flights)87AprMay 2026: 68% on time (31 flights)68MayJun 2026: 76% on time (21 flights)76JunJul 2026: 75% on time (20 flights)75JulAug 2026: 41% on time (17 flights)41Aug

By day of week

DayFlightsOn time
Monday5068%
Tuesday3985%
Wednesday3977%
Thursday5070%
Friday5062%
Saturday3887%
Sunday4963%

Why it was late

Airline (crew, maintenance, ops) 50%Air traffic & airport (NAS) 21%Late inbound plane 19%Severe weather 10%Security 1%

All flights ATL → PHX · Connecting off DL 842? Check the risk

Questions

How often is DL 842 from ATL to PHX late?

Delta Air Lines 842 from Atlanta, GA to Phoenix, AZ arrived 15 or more minutes late, was diverted or was cancelled on 28% of 315 scheduled flights between September 2025 and August 2026. 0.9% 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.