China Southern Airlines CZ1637 Flight Status Today

Domestic flight China Southern Airlines CZ1637 takes off from Philadelphia (PHL) United States to San Francisco (SFO) United States. It's operated by China Southern Airlines. The plane leaves Philadelphia International Airport at 16:10 20 January 2026 America/New_York. The flight is expected to land at San Francisco International Airport at 19:35 20 January 2026 America/Los_Angeles. The flight will last about 6 hours 25 minutes.

Current status of CZ1637 is Departed On time Estimated Arrival in 3 hours, 46 minutes

CZ1637 - CSN1637 China Southern Airlines (CZ)
PHL Philadelphia United States
Flight PHL to SFO
SFO San Francisco United States
Departed On time Estimated Arrival in 3 hours, 46 minutes
Departure Philadelphia International Airport
IATA: PHLICAO: KPHL
Scheduled 16:10 20 January 2026
Actual 16:09 20 January 2026
B B10
Arrival San Francisco International Airport
IATA: SFOICAO: KSFO
Scheduled 19:35 20 January 2026
Estimated 19:40 20 January 2026
1 B25
CZ1637 Detail
  • Type: Domestic Flight
  • Code Shares: BA 5442, QR 2743
  • Flight Duration: 6 hours 25 minutes
  • Flight Distance: 4059 kms / 2522 miles
Airline
  • China Southern Airlines
  • IATA: CZ
  • ICAO: CSN
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 63
  • Freight capacity: 1.9 tons
  • Passenger classes: First Class, Economy, Business Class
More Detail
  • Aircraft: Airbus A321neo
  • Callsign: CSN1637
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/Los_Angeles
  • Current Time in Philadelphia: Tuesday 2026-01-20 18:54 PM
  • Current Time in San Francisco: Tuesday 2026-01-20 15:54 PM

Flight routes similar to China Southern Airlines CZ1637

Airline Flight no Departure Arrival
Qantas QF4594
Qantas 		20/01/2026
08:36 		6 hours 27 minutes
12:12
United Airlines UA1973
United Airlines 		20/01/2026
08:20 		6 hours 28 minutes
11:48
British Airways BA5440
British Airways 		20/01/2026
08:36 		6 hours 36 minutes
12:12
Air New Zealand NZ9365
Air New Zealand 		20/01/2026
08:20 		6 hours 28 minutes
11:48
British Airways BA5442
British Airways 		20/01/2026
16:10 		6 hours 25 minutes
19:35
American Airlines AA2407
American Airlines 		20/01/2026
08:36 		6 hours 10 minutes
12:12
Virgin Australia VA8451
Virgin Australia 		20/01/2026
08:35 		6 hours 28 minutes
12:03
American Airlines AA3079
American Airlines 		20/01/2026
16:10 		6 hours 25 minutes
19:35

China Southern Airlines Flight CZ1637 FAQs

What is the scheduled flight duration for China Southern Airlines CZ1637 flight?

On average, nonstop flight takes 6 hour(s) 25 minutes, with the flight distance of 4059 km (2522 miles).

What is the current status of China Southern Airlines CZ1637 flight?

The current status of flight China Southern Airlines CZ1637 is Departed On time.

What type of aircraft is used for the China Southern Airlines CZ1637 flight?

All China Southern Airlines CZ1637 flights are operated using Airbus A321neo aircraft.

When does the flight China Southern Airlines CZ1637 arrive?

Flight China Southern Airlines CZ1637 arrives at 19:35.

Which terminal the flight China Southern Airlines CZ1637 is arriving at?

Flight China Southern Airlines CZ1637 arrives in San Francisco International Airport at Terminal 1.

How many China Southern Airlines CZ1637 flights are operated a week?

7 flights per week. The Flight China Southern Airlines CZ1637 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .