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SQ31 Flight Information & Schedule

Singapore Airlines · San Francisco International Airport (SFO) to Singapore Changi Airport (SIN)

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SQ31 San Francisco International Airport to Singapore Changi Airport nonstop flight: schedule, airports, aircraft and travel guide.

SQ31 Flight Overview

SQ31 is operated by Singapore Airlines and connects San Francisco International Airport (SFO) and Singapore Changi Airport (SIN). Scheduled departure: 2026-10-29 10:40 (UTC-07:00); scheduled arrival: 2026-10-30 19:05 (UTC+08:00).

AirlineSingapore Airlines
Flight numberSQ31
RouteSFO to SIN
Scheduled duration17 hr 25 min

San Francisco to Singapore Route Information

SQ31 is a nonstop international flight from San Francisco International Airport (SFO) to Singapore Changi Airport (SIN). Use the information below to plan your journey.

Route distanceApprox. 13,591 km
Scheduled flight time17 hr 25 min
Time difference900 min
Flight typeInternational
01

Departure

Scheduled departure: 2026-10-29 10:40 (UTC-07:00). Confirm airport transport and terminal opening hours in advance.

02

Arrival

Scheduled arrival: 2026-10-30 19:05 (UTC+08:00). Arrange pickup, hotel and onward transport for the arrival date.

03

Time zones

Departure: San Francisco (UTC-07:00); arrival: Singapore (UTC+08:00).

SQ31 On-time Performance & History

Methodology

Arrival on-time rate
Sample flights-
Average departure delay-
Average arrival early-
Cancllation rate-
Longest delay-
Early arrivals-

Historical statistics are for reference only and do not predict future flight performance.

Aircraft, Cabin & Services

Based on currently published aircraft and cabin information; the operating aircraft may change.

Published aircraft type

Airbus A350

Economy 32 in

Seat layout324

Business 32 · Economy 292

Business Class1-2-1

Seat configuration depends on the operating aircraft

Economy Class3-3-3

32 in

MealsIn-flight meals; special meals available with advance request

Inflight entertainmentKrisWorld with about 1,800 options on an 11.1-inch touch-screen monitor

Inflight Wi-FiNo Wi-Fi

Availability and fees depend on the flight

PowerBusiness: USB port and power outlet; Economy: USB port and power outlet

BassinetAvailable

Accessibility-

SQ31 Airports

Terminals follow the published schedule; check official airline channels for same-day gates and operations.

San Francisco International Airport Departure & Singapore Changi Airport Arrival Guide

Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.

SFO

Departing from San Francisco International Airport

SQ31 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.

SIN

Arriving at Singapore Changi Airport

Scheduled arrival is at T2. After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.

+1

Planning your arrival

Scheduled arrival: 2026-10-30 19:05. Use the arrival date when booking hotels and pickup services.

Flight Changes, Cancellations & Missed Flights

If the schedule or aircraft changes, follow the booking channel and operating carrier rules.

01

Schedule changes

After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.

02

Cancellation and changes

Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.

03

Missed flight

If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.

Check-in, Baggage & Entry Tips

International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.

01

Arrive early for check-in

Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow San Francisco International Airport guidance.

02

Check baggage allowance

Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.

03

Prepare entry documents

Before departure, check passport validity, visa or visa-free eligibility, andSingapore Changi Airport’ latest arrival declaration requirements.

What should I check before flying SQ31?

01

Check the departure date

For an overnight flight, check the departure date on your ticket and plan airport transport in advance.

02

Confirm the operating carrier

Follow the airline rules shown in your booking for check-in and checked baggage.

03

Check boarding information

Gates and operating times may change; follow airline notices and airport displays.

Popular route recommendations

SQ31 Frequently Asked Questions

Which airline operates this flight?

SQ31 is operated by Singapore Airlines.

Where does it depart and arrive?

San Francisco International Airport (SFO) → Singapore Changi Airport (SIN).

What are the departure and arrival times?

Scheduled departure 10:40, arrival 19:05 · 17 hours 25 minutes.

Which terminal is used for check-in?

Departure terminal No data, arrival terminal T2. Check-in, gate and baggage belt are announced on the day.

Are meals and inflight entertainment available?

Meals: In-flight meals; special meals available with advance request. Inflight entertainment: KrisWorld with about 1,800 options on an 11.1-inch touch-screen monitor.

Explore This Route

Departure airportFlights from San Francisco International Airport
Arrival airportSingapore Changi Airport information
Operating airlineSingapore Airlines information