CX7831 Flight Status Cathay Pacific: St. Louis to Seattle (CPA7831)

Are you looking for the November 9th, 2026 CX 7831 Boston to Seattle flight? Go to our CX7831 Boston to Seattle Flight Status page >

CX 7831 St. Louis to Seattle Flight Status

Not scheduled today (November 9th, 2026). Latest flight: August 14th, 2026 ; recent history is in the table below.

CX 7831 Flight Status & Schedule Cathay Pacific St. Louis to Seattle

Date From To Departure Arrival Status Details
Aug 14 STL SEA 19:59 22:01 Landed Track >

Cathay Pacific operates CX 7831 from St. Louis to Seattle, a 2,744 km (1,705 mi) trip. The timetable allows 4 h 28 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight, on 14 August 2026, landed on time.

< All St. Louis STL Departures All Seattle SEA Arrivals >

About CX 7831

Route
St. Louis Lambert International Airport STL to Seattle Tacoma International Airport SEA
Distance
2,744 km (1,705 mi)
Scheduled flight time
4 h 28 min

CX 7831 FAQ

How long is the CX7831 flight?
The timetable allows 4 h 28 min. St. Louis to Seattle is 2,744 km (1,705 mi).
What other flight numbers does CX7831 have?
Also listed as CPA7831 (Cathay Pacific's ICAO code) and CX 7831.

CX7831 and St. Louis STL to Seattle SEA Flights

Flight CX7831 is a code-share Cathay Pacific flight of the Alaska Airlines operated AS647.

Other flights departing from St. Louis STL: AS647, UA4616, GB2046

Other flights arriving at Seattle SEA: AS205, AS647, AS366

All flights connecting St. Louis STL to Seattle SEA.