Reading SQ 31: its schedule, on-time record, turbulence and airports.Still counting: a new flight takes up to a minute the first time.
Singapore Airlines · leaves Fri, November 13
SCHEDULED
9:40 AM
leaves the gate · SFO · Terminal I
In 2 days
Planned · lands Sat, 6:57 PM Singapore time
Updated 5:19 PM San Francisco · 9:19 AM Singapore · airline schedule
Singapore Airlines·Airbus A350-900 (planned)LeavesFri, Nov 13in 2 daysSQ 31 San Francisco to Singapore: Scheduled9:40AMSFOSan FranciscoTerminal IScheduled, Sat, Nov 147:05PMSINSingapore
Held down by slow airports50 min into Singapore; minutes waiting at security and passport control not in our data yet
The Pulse is the average of its parts: (84 + 90 + 50 + 92) ÷ 4 = 79Pulse79
On the day, follow itin FlightPassport
The Pulse is the average of its parts: (84 + 90 + 50 + 92) ÷ 4 = 79Pulse79
On the day, follow itin FlightPassportSan Francisco Singapore
Singapore Airlines · Friday, November 13, 2026
Leaves 9:40 AMLands Sat, 6:57 PM
Gate to gate, planned · airline schedule. Gates and baggage belts come from the airports and can change on the day.
Gate to gate
- Fri, November 13 San Francisco time
- 9:40 AMplannedLeaves the gate, expectedon timeSFO · Terminal I
- 9:50 AMplanned 9:55 AMTakes off, expected5 min earlySan Francisco SFO
- Sat, November 14 Singapore time
- 6:57 PMplannedLands, expectedSingapore Changi
- 7:05 PMplannedAt the gate, expectedSIN
- AircraftAirbus A350-900
- Flight time17 h 2 min, planned
From the airports · gates and belts can change on the day
Before you fly
San FranciscoFriday morning
7:00 AM at the door · San Francisco, Terminal I
How busy is security before your flight?
EstimateBe at the door by 7:00 AM. You reach security at 7:15 AM, with time to spare; 7:45 AM is a little quieter.
Moderately busyagainst the day’s busiest quarter
You reach it at 7:15 AM; 7:45 AM is a little quieter. Once through, about 1 h 15 min until boarding opens.
Where can you wait before your flight?
UsuallyReading the lounges at SFO.
Reading the lounges at SFO.Still counting: a new flight takes up to a minute the first time.
9:40 AM at the gate, on the schedule
Does your flight leave on time?
UsuallyMost often leaves the gate by 9:55 AM. Usually on time.
On timemost often, leaving the gate by 9:55 AM
One in five of its last 80 departures left more than 15 minutes late; when late, by about 30 minutes.
Which plane is your flight on?
UsuallyAn Airbus A350-900, 3-3-3 in economy.
A350-900Too few flights yet: all 14 of its recent flights we know of
Planes 3–7 years old · Wi‑Fi, power at every seat, seatback screens, meals
3‑3‑3 in economy: the roomier of the two layouts airlines use on this type. Sun on the left, then the right: no window seat stays in shade.
In the air
Flight time 17 h 25 min
Which way does it fly?
UsuallyOver the North Pacific for about 13 h 45 min.
13 h 45 minover the North Pacific
Last land is the United States; the Philippines comes up about 3 h 15 min before landing.
11:10 AM the bumpy stretch · Over the North Pacific
Will it be bumpy?
ForecastMostly smooth. Two bumpy stretches. Bumps over the North Pacific, 1 h 15 min after take‑off; light bumps now and then elsewhere.
Mostly smoothtwo bumpy stretches, the first over the North Pacific after take‑off
About 1 h 15 min after take‑off; light bumps now and then elsewhere.
- Typical altitude
- Small bumps
- Bumpy
What will you see from the window?
EstimateEither side sees much the same.
Either side sees much the same.
Left windowseats A–C
PacificaUnited States, below the plane
North Pacific , open water below
NabunturanPhilippines, below the plane
PengerangMalaysia, below the plane
SFO timeSIN time
9:55 AM1:55 AM
4:45 PM8:45 AM
11:40 PM3:40 PM
2:50 AM6:50 PM
SIN
Right windowseats H–K
ParksideUnited States, below the plane
North Pacific , open water below
CompostelaPhilippines, below the plane
Bintan Island , the coast below
No sunrise or sunset on this flight, so neither side has the sun. San Francisco time in bold, as your phone keeps it in the air; Singapore time under it. Approximate: from the airline’s planned departure at 9:40 AM and a usual taxi to take-off; if it leaves late, these move with it.
After landing
SingaporeSaturday evening
What’s the weather when you land?
ForecastAbout 73 °F at night, rain likely. Bring an umbrella.
88°FRainy, the week you land
High 88 °F · Low 73 °F. Bring an umbrella.
- Rain on 7 of 7 dayswhich days isn’t known yet
- About 10 h of sun a dayof 12 h 5 min of daylight
- Still dark when you landsun up 6:45 AM–6:50 PM
7:05 PM at the gate, Singapore time · Singapore Changi
How busy is passport control when you land?
EstimatePassport control around 7:20 PM, moderately busy for the day.
Moderately busyagainst the day’s busiest quarter
You reach it around 7:20 PM, 15 min after the gate.
How do you get to the city center?
EstimateA car or taxi is about 65 min quicker.
50minby car or taxi
public transport: about 115 min
Door to door from the airport, around your landing hour.
Before you book
San Francisco to SingaporeThe same day
Alternative flights
Reading the day’s flights from San Francisco to Singapore.
Reading the day’s flights from San Francisco to Singapore.Still counting: a new flight takes up to a minute the first time.
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SFO・San Francisco
SIN・Singapore