ON TIMEBOARD

AS 270 on time

Alaska Airlines 270: Ontario to Honolulu at 9:11 a.m. (past 12 months)

On time
82%
363 flights · likely 78–86%
Cancelled
0.3%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+48 min
average delay
Similar flights
84%
AS, same route & hour

About 1 in 6 AS 270 flights from Ontario arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.3% were cancelled. The typical flight landed 7 minutes early.

AS 270: ONT → HNL

Scheduled to leave Ontario at 9:11 a.m. local time. Over the past year it arrived on time 82% of the time (363 flights), in line with other AS flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 93% on time (30 flights)93OctNov 2025: 79% on time (29 flights)79NovDec 2025: 94% on time (31 flights)94DecJan 2026: 94% on time (31 flights)94JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 65% on time (31 flights)65MarApr 2026: 83% on time (30 flights)83AprMay 2026: 97% on time (31 flights)97MayJun 2026: 83% on time (30 flights)83JunJul 2026: 61% on time (31 flights)61JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday5381%
Tuesday5277%
Wednesday5281%
Thursday5283%
Friday5184%
Saturday5184%
Sunday5285%

Why it was late

Air traffic & airport (NAS) 65%Airline (crew, maintenance, ops) 34%Severe weather 1%

All flights ONT → HNL · Connecting off AS 270? Check the risk

Questions

How often is AS 270 from ONT to HNL late?

Alaska Airlines 270 from Ontario, CA to Honolulu, HI arrived 15 or more minutes late, was diverted or was cancelled on 18% of 363 scheduled flights between September 2025 and August 2026. 0.3% 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 Alaska Airlines for today's flight. Method.