AS27 · ASA27

ASA27 over the last 30 days

As of 2026-10-02

ASA27 is operated by Alaska Airlines on the route John F. Kennedy International Airport (JFK/KJFK) → San Francisco International Airport (SFO/KSFO). Most frequent aircraft type: BOEING 737-900 (B739).

Days with an observed flight (last 30 days)

2/30

Days of the week with an observed flight

Thu, Fri

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

71 %

Departures measured

80

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737-900 (B739) — Number of flights: 2

Related flights on this route

• All flights KJFK – KSFO