AS389Alaska Airlines · BOS → SAN
live · 8m ago
Route confirmed Alaska Airlines

AS389 BostonBOS · 16:33 San DiegoSAN · 19:53

AS389 by Alaska Airlines flies from Boston (BOS) to San Diego (SAN).

Right nowNext departure today Operates daily
16:33

scheduled from BOS

Typical gate push+29 minmedian posted departure
Typical arrival−23 minmedian over 7 operations
Wins back in air~52 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
08-20
+14 gate · −30 arrival
08-18
+35 gate · −9 arrival
08-17
+15 gate · −23 arrival
08-16
+31 gate · −10 arrival
08-15
+24 gate · −24 arrival
08-14
+37 gate · −14 arrival
08-13
+14 gate · −30 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −23 min · 0 cancelled · 8 operations tracked

The route today

live boards
BOSBostonModerate riskBOS delay board →
SANSan DiegoOn-time likelySAN delay board →
BOS→SANevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
1.6%Chance of cancellation
+8 minAvg hub delay right now

Conditions at BOS and SAN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Boston to San Diego flights today

same route · Alaska Airlines
AS256departs 08:28

If AS389 is cancelled, this is the other Alaska Airlines nonstop flight from Boston to San Diego on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AS389 actually runs

Pro Flight Search has tracked every published board update for AS389 across the BOS and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~23 min early. Based on 7 confirmed landings · 7/7 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how AS389 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
08-20BOS 16:33 16:47 (+14)SAN 19:53 19:23 (−30)
08-18BOS 16:33 17:08 (+35)SAN 19:53 19:44 (−9)
08-17BOS 16:33 16:48 (+15)SAN 19:53 19:30 (−23)
08-16BOS 16:33 17:04 (+31)SAN 19:53 19:43 (−10)
08-15BOS 16:33 16:57 (+24)SAN 19:53 19:29 (−24)
08-14BOS 16:33 17:10 (+37)SAN 19:53 19:39 (−14)
08-13BOS 16:33 16:47 (+14)SAN 19:53 19:23 (−30)
08-12BOS 16:33 17:02 (+29)SAN

Aircraft

Recent tails: N403AS, N958AK, N954AK, N273AK.

Board clocks recorded as BOS and SAN published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — AS389 Boston to San Diego on-time performance, measured from the BOS and SAN airport boards.

Canonical URL
https://proflightsearch.com/flight/AS389
How we measure this →