UA1577 · UAL1577

Schedule for today and the next days

• 2026-10-27 14:30 · Chicago O'Hare International Airport (ORD/KORD) → San Francisco International Airport (SFO/KSFO)

Scheduled times from airport boards, in local time. Actual departures and arrivals are measured by the map.flights network. Letištní tabule: Airport Authority Hong Kong / DATA.GOV.HK, Dubai Airports, Chicago Department of Aviation, Hobart Airport, Wellington Airport, Hamad International Airport

UAL1577 over the last 30 days

As of 2026-10-27

UAL1577 is operated by United Airlines on the route San Francisco International Airport (SFO/KSFO) → San Diego International Airport (SAN/KSAN). It usually takes off around 02:36 UTC (19:36 local time, SFO). It usually lands around 03:48 UTC (20:48 local time, SAN). Most frequent aircraft type: BOEING 757-300 (B753).

Days with an observed flight (last 30 days)

30/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

02:36 UTC · 19:36 local time (SFO)

Typical landing

03:48 UTC · 20:48 local time (SAN)

Typical time airborne

70 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

64 %

Departures measured

183

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 757-300 (B753) — Number of flights: 40
• BOEING 737 MAX 8 (B38M) — Number of flights: 25
• AIRBUS A-319 (A319) — Number of flights: 17

Aircraft in the last 7 days

• N17355 · BOEING 737 MAX 8 2026-10-27
• N14548 · AIRBUS A-321neo 2026-10-26
• N877UA · AIRBUS A-319 2026-10-26
• N37372 · BOEING 737 MAX 8 2026-10-26
• N24519 · AIRBUS A-321neo 2026-10-25
• N818UA · AIRBUS A-319 2026-10-25

Related flights on this route

• All flights KSFO – KSAN