ON TIMEBOARD

AS 559 on time

Alaska Airlines 559: Portland to Burbank at 5:57 p.m. (past 12 months)

On time
88%
289 flights · likely 84–91%
Cancelled
0.0%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+55 min
average delay
Similar flights
87%
AS, same route & hour

About 1 in 8 AS 559 flights from Portland arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.0% were cancelled. The typical flight landed 11 minutes early.

AS 559: PDX → BUR

Scheduled to leave Portland at 5:57 p.m. local time. Over the past year it arrived on time 88% of the time (289 flights), in line with other AS flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Usually Alaska Airlines's last flight of the day from Portland to Burbank (100% of days). Alaska Airlines's last PDX–BUR flight was cancelled 0.0% of the time, against 1.2% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 10:49 a.m. the next morning.

Month by month

40%70%100%Oct 2025: too few flights (5 flights)OctNov 2025: 83% on time (29 flights)83NovDec 2025: 83% on time (30 flights)83DecJan 2026: 100% on time (31 flights)100JanFeb 2026: 86% on time (21 flights)86FebMar 2026: 83% on time (24 flights)83MarApr 2026: 86% on time (29 flights)86AprMay 2026: 93% on time (29 flights)93MayJun 2026: 90% on time (30 flights)90JunJul 2026: 87% on time (30 flights)87JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday4593%
Tuesday3990%
Wednesday40100%
Thursday4386%
Friday4281%
Saturday3594%
Sunday4573%

Why it was late

Late inbound plane 64%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 8%

All flights PDX → BUR · Connecting off AS 559? Check the risk

Questions

How often is AS 559 from PDX to BUR late?

Alaska Airlines 559 from Portland, OR to Burbank, CA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 289 scheduled flights between September 2025 and August 2026. 0.0% 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.