ON TIMEBOARD
Delta Air Lines / JFK → AUS

DL 2323 on time

Delta Air Lines 2323: New York to Austin at 12:59 p.m.; Austin to New York at 3:55 p.m. (past 12 months). Figures below the title are for JFK → AUS, its busiest leg

On time
80%
296 flights · likely 75–84%
Cancelled
2.0%
of scheduled flights
Typical arrival
−15 min
median vs schedule
When late
+65 min
average delay
Similar flights
77%
DL, same route & hour

About 1 in 5 DL 2323 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (20%); 2.0% were cancelled. The typical flight landed 15 minutes early.

DL 2323: JFK → AUS

Scheduled to leave New York at 12:59 p.m. local time. Over the past year it arrived on time 80% of the time (296 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%Sep 2025: 88% on time (25 flights)88SepOct 2025: 85% on time (27 flights)85OctNov 2025: 88% on time (24 flights)88NovDec 2025: 65% on time (17 flights)65DecJan 2026: 83% on time (23 flights)83JanFeb 2026: 79% on time (24 flights)79FebMar 2026: 89% on time (27 flights)89MarApr 2026: 89% on time (28 flights)89AprMay 2026: 78% on time (27 flights)78MayJun 2026: 68% on time (25 flights)68JunJul 2026: 65% on time (23 flights)65JulAug 2026: 73% on time (26 flights)73Aug

By day of week

DayFlightsOn time
Monday5173%
Tuesday5076%
Wednesday4990%
Thursday4881%
Friday4984%
Saturday3—
Sunday4674%

Why it was late

Air traffic & airport (NAS) 51%Airline (crew, maintenance, ops) 30%Late inbound plane 18%Severe weather 1%

All flights JFK → AUS · Connecting off DL 2323? Check the risk

DL 2323: AUS → JFK

Scheduled to leave Austin at 3:55 p.m. local time. Over the past year it arrived on time 70% of the time (263 flights), in line with other DL flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 74% on time (23 flights)74AugSep 2025: 88% on time (25 flights)88SepOct 2025: 70% on time (27 flights)70OctNov 2025: 71% on time (24 flights)71NovDec 2025: 65% on time (17 flights)65DecFeb 2026: too few flights (14 flights)FebMar 2026: 74% on time (27 flights)74MarApr 2026: 75% on time (28 flights)75AprMay 2026: 78% on time (27 flights)78MayJun 2026: 60% on time (25 flights)60JunJul 2026: 57% on time (23 flights)57JulAug 2026: 65% on time (26 flights)65Aug

By day of week

DayFlightsOn time
Monday4562%
Tuesday4470%
Wednesday4384%
Thursday4360%
Friday4482%
Saturday3—
Sunday4161%

Why it was late

Air traffic & airport (NAS) 44%Late inbound plane 38%Airline (crew, maintenance, ops) 17%Severe weather 1%

All flights AUS → JFK · Connecting off DL 2323? Check the risk

Questions

How often is DL 2323 from JFK to AUS late?

Delta Air Lines 2323 from New York, NY to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 20% of 296 scheduled flights between September 2025 and August 2026. 2.0% were cancelled.

How often is DL 2323 from AUS to JFK late?

Delta Air Lines 2323 from Austin, TX to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 30% of 263 scheduled flights between September 2025 and August 2026. 2.3% 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.