ON TIMEBOARD

DL 344 on time

Delta Air Lines 344: Seattle to Kahului at 1:59 p.m. (past 12 months)

On time
84%
365 flights · likely 80–88%
Cancelled
0.8%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+40 min
average delay
Similar flights
86%
DL, same route & hour

About 1 in 6 DL 344 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (16%); 0.8% were cancelled. The typical flight landed 10 minutes early.

DL 344: SEA → OGG

Scheduled to leave Seattle at 1:59 p.m. local time. Over the past year it arrived on time 84% of the time (365 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 94% on time (31 flights)94OctNov 2025: 83% on time (30 flights)83NovDec 2025: 77% on time (31 flights)77DecJan 2026: 94% on time (31 flights)94JanFeb 2026: 71% on time (28 flights)71FebMar 2026: 74% on time (31 flights)74MarApr 2026: 87% on time (30 flights)87AprMay 2026: 97% on time (31 flights)97MayJun 2026: 87% on time (30 flights)87JunJul 2026: 77% on time (31 flights)77JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5391%
Tuesday5277%
Wednesday5290%
Thursday5285%
Friday5281%
Saturday5288%
Sunday5279%

Why it was late

Airline (crew, maintenance, ops) 33%Air traffic & airport (NAS) 31%Late inbound plane 30%Severe weather 6%

All flights SEA → OGG · Connecting off DL 344? Check the risk

Questions

How often is DL 344 from SEA to OGG late?

Delta Air Lines 344 from Seattle, WA to Kahului, HI arrived 15 or more minutes late, was diverted or was cancelled on 16% of 365 scheduled flights between September 2025 and August 2026. 0.8% 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.