How long is the CX7879 flight?

The timetable allows 5 h 27 min. Seattle to Boston is 4,005 km (2,489 mi).

Which terminal does CX7879 use?

It usually arrives at Terminal B at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.

What other flight numbers does CX7879 have?

Also listed as CPA7879 (Cathay Pacific's ICAO code) and CX 7879.

CX7879 Flight Status Cathay Pacific: Seattle to Boston (CPA7879)

Cathay Pacific CX 7879

Landed On Time

SEA Seattle

Scheduled: 15:36
Actual: 16:12

Gate: N11

Departure: Wed, Nov 4, 2026 · local time PST

Seattle Tacoma International Airport (SEA)

All SEA Departures >

BOS Boston

Scheduled: 23:58
Actual: 00:05
Delay

Terminal: B | Gate: B4

Arrival: Wed, Nov 4, 2026 · local time EST

Boston Logan International Airport (BOS)

All BOS Arrivals >

Landed 1h 56m ago 100%

SEA 16:12 BOS 00:05 ⁺¹

4,005 km (2,489 mi) flown

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

Add to calendar

Distance: 4005 km / 2489 miles · Scheduled Duration: 05:22 · Actual Duration: 04:53

CX 7879 Flight Status & Schedule Cathay Pacific Seattle to Boston

Date	From	To	Departure	Arrival	Status	Details
Nov 04	SEA	BOS	16:12	00:05	Landed	Track >
Nov 03	SEA	BOS	15:39	23:39	Landed	Track >
Nov 02	SEA	BOS	16:52	00:41	Delayed	Track >
Oct 31	SEA	BOS	16:29	00:17	Landed Late	Track >
Oct 29	SEA	BOS	16:26	23:56	Landed	Track >
Oct 28	SEA	BOS	15:51	23:38	Landed	Track >
Oct 27	SEA	BOS	16:00	23:44	Landed	Track >
Oct 26	SEA	BOS	15:50	23:46	Landed	Track >
Oct 24	SEA	BOS	15:40	23:28	Landed	Track >

Cathay Pacific's Seattle–Boston flight covers 4,005 km (2,489 mi) and runs five times a week: Monday, Tuesday, Wednesday, Thursday and Saturday. With 5 h 27 min in the timetable and a usual flight time of about 4 h 50 min, it often makes up time. Today it left 36 minutes late and still landed at 00:05 the next morning, just 7 minutes behind schedule.

< All Seattle SEA Departures All Boston BOS Arrivals >

About CX 7879

Route: Seattle Tacoma International Airport SEA to Boston Logan International Airport BOS
Distance: 4,005 km (2,489 mi)
Typical flight time: 4 h 50 min
Flies: Mon, Tue, Wed, Thu, Sat
On time: 7 of the last 8
Average delay when late: 18 min

CX 7879 FAQ

How long is the CX7879 flight?: The timetable allows 5 h 27 min. Seattle to Boston is 4,005 km (2,489 mi).
How often is CX7879 late?: 1 of the last 8 flights arrived 15 or more minutes late; when late, by 18 minutes on average.
Which days does CX7879 fly?: Five times a week: Monday, Tuesday, Wednesday, Thursday and Saturday, based on the schedule of the last 7 days.
Which terminal does CX7879 use?: It usually arrives at Terminal B at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
What other flight numbers does CX7879 have?: Also listed as CPA7879 (Cathay Pacific's ICAO code) and CX 7879.

CX7879 and Seattle SEA to Boston BOS Flights

Flight CX7879 is a code-share Cathay Pacific flight of the Alaska Airlines operated AS460.

Other flights departing from Seattle SEA: AS460, QX2321, OO3083

Other flights arriving at Boston BOS: AS460, B61632, AA2567

All flights connecting Seattle SEA to Boston BOS.