ON TIMEBOARD

AS 1121 on time

Alaska Airlines 1121: Hilo to Honolulu at 8:45 p.m. (past 12 months)

On time
75%
207 flights · likely 69–80%
Cancelled
1.5%
of scheduled flights
Typical arrival
+2 min
median vs schedule
When late
+50 min
average delay
Similar flights
78%
AS, same route & hour

About 1 in 4 AS 1121 flights from Hilo arrived 15+ minutes late, diverted or cancelled over the past year (25%); 1.5% were cancelled. The typical flight landed 2 minutes late.

AS 1121: ITO → HNL

Scheduled to leave Hilo at 8:45 p.m. local time. Over the past year it arrived on time 75% of the time (207 flights), in line with other AS flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Usually Alaska Airlines's last flight of the day from Hilo to Honolulu (94% of days). Alaska Airlines's last ITO–HNL flight was cancelled 1.7% of the time, against 2.3% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 6:00 a.m. the next morning.

Month by month

40%70%100%Jan 2026: 63% on time (30 flights)63JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 82% on time (17 flights)82MarApr 2026: too few flights (11 flights)AprMay 2026: 81% on time (31 flights)81MayJun 2026: 73% on time (30 flights)73JunJul 2026: 68% on time (31 flights)68JulAug 2026: 86% on time (29 flights)86Aug

By day of week

DayFlightsOn time
Monday3080%
Tuesday2990%
Wednesday3083%
Thursday2983%
Friday3063%
Saturday2864%
Sunday3161%

Why it was late

Late inbound plane 78%Airline (crew, maintenance, ops) 14%Air traffic & airport (NAS) 7%

All flights ITO → HNL · Connecting off AS 1121? Check the risk

Questions

How often is AS 1121 from ITO to HNL late?

Alaska Airlines 1121 from Hilo, HI to Honolulu, HI arrived 15 or more minutes late, was diverted or was cancelled on 25% of 207 scheduled flights between September 2025 and August 2026. 1.5% 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.