CZ1639 Flight Status China Southern Airlines: San Francisco to Miami (CSN1639)

SFO San Francisco
- Scheduled
- 23:47
- Actual
- 00:00
Terminal: 1 | Gate: B27
Departure: Sat, Nov 7, 2026 · local time PST
MIA Miami
- Scheduled
- 08:17
- Actual
- 07:49
- Delay
Terminal: N | Gate: D8
Arrival: Sun, Nov 8, 2026 · local time EST
Landed 23h 56m ago 100%
SFO 00:00 MIA 07:49
4,153 km (2,581 mi) flown
Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.
Distance: 4153 km / 2581 miles · Scheduled Duration: 05:30 · Actual Duration: 04:49 · Aircraft:
CZ 1639 Flight Status & Schedule China Southern Airlines San Francisco to Miami
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Nov 07 | SFO | MIA | 00:00 | 07:49 | Landed | Track > |
| Nov 05 | SFO | MIA | 00:26 | 08:20 | Landed | Track > |
| Nov 03 | SFO | MIA | 02:12 | 09:44 | Delayed | Track > |
| Nov 02 | SFO | MIA | 00:25 | 08:17 | Unknown | Track > |
| Mar 07 | SFO | MIA | 23:15 | 08:32 | Landed | Track > |
| Mar 05 | SFO | MIA | 23:09 | 07:05 | Landed | Track > |
| Mar 03 | SFO | MIA | 23:16 | 07:09 | Landed | Track > |
| Mar 02 | SFO | MIA | 23:05 | 06:52 | Landed | Track > |
| Feb 28 | SFO | MIA | 00:20 | 07:56 | Landed Late | Track > |
| Feb 26 | SFO | MIA | 23:16 | 06:44 | Landed | Track > |
China Southern Airlines flight CZ 1639 links San Francisco and Miami, 4,153 km (2,581 mi) apart, and flies three times a week: Tuesday, Thursday and Saturday. The timetable allows 5 h 29 min, but the flight usually takes about 4 h 50 min, so it often makes up time. On Saturday it left on time and landed at 07:49 the next morning, 28 minutes early.
About CZ 1639
- Distance
- 4,153 km (2,581 mi)
- Typical flight time
- 4 h 50 min
- Flies
- Tue, Thu, Sat
- On time
- 7 of the last 8
- Average delay when late
- 33 min
- Usually departs from
- Terminal 1
CZ 1639 FAQ
- How long is the CZ1639 flight?
- The timetable allows 5 h 29 min. San Francisco to Miami is 4,153 km (2,581 mi).
- How often is CZ1639 late?
- 1 of the last 8 flights arrived 15 or more minutes late; when late, by 33 minutes on average.
- Which days does CZ1639 fly?
- Three times a week: Tuesday, Thursday and Saturday, based on the schedule of the last 7 days.
- Which terminal does CZ1639 use?
- It usually leaves from Terminal 1 at San Francisco International Airport (SFO) and arrives at Terminal N at Miami International Airport (MIA). Check the flight card above for today's terminal and gate.
- What other flight numbers does CZ1639 have?
- Also listed as CSN1639 (China Southern Airlines' ICAO code) and CZ 1639.
CZ1639 and San Francisco SFO to Miami MIA Flights
Flight CZ1639 is a code-share China Southern Airlines flight of the American Airlines operated AA1844.
Other flights departing from San Francisco SFO: AA1844, F92930
Other flights arriving at Miami MIA: AA1844, MQ4265
All flights connecting San Francisco SFO to Miami MIA.