ON TIMEBOARD

DL 784 on time

Delta Air Lines 784: New York to Phoenix at 8:55 p.m. (past 12 months)

On time
61%
190 flights · likely 53–67%
Cancelled
3.2%
of scheduled flights
Typical arrival
+5 min
median vs schedule
When late
+70 min
average delay
Similar flights
60%
DL, same route & hour

About 1 in 3 DL 784 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (39%); 3.2% were cancelled. The typical flight landed 5 minutes late.

DL 784: JFK → PHX

Scheduled to leave New York at 8:55 p.m. local time. Over the past year it arrived on time 61% of the time (190 flights), in line with other DL flights on the route at that hour (60%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from New York to Phoenix (100% of days). Delta Air Lines's last JFK–PHX flight was cancelled 3.6% of the time, against 3.4% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:00 a.m. the next morning.

Month by month

30%65%100%Aug 2025: 88% on time (17 flights)88AugSep 2025: 59% on time (17 flights)59SepOct 2025: 39% on time (18 flights)39OctNov 2025: 63% on time (16 flights)63NovDec 2025: 43% on time (21 flights)43DecJan 2026: too few flights (3 flights)JanMar 2026: too few flights (14 flights)MarApr 2026: 70% on time (27 flights)70AprMay 2026: 71% on time (21 flights)71MayJun 2026: 59% on time (17 flights)59JunJul 2026: 61% on time (18 flights)61JulAug 2026: 61% on time (18 flights)61Aug

By day of week

DayFlightsOn time
Monday4459%
Tuesday7—
Wednesday4—
Thursday4070%
Friday4269%
Saturday9—
Sunday4452%

Why it was late

Airline (crew, maintenance, ops) 47%Air traffic & airport (NAS) 26%Late inbound plane 25%Severe weather 1%

All flights JFK → PHX · Connecting off DL 784? Check the risk

Questions

How often is DL 784 from JFK to PHX late?

Delta Air Lines 784 from New York, NY to Phoenix, AZ arrived 15 or more minutes late, was diverted or was cancelled on 39% of 190 scheduled flights between September 2025 and August 2026. 3.2% 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.