Airport Tips & Quick Reference Guide to Seattle–Tacoma Airport - Seatac (SEA)

B6398 JetBlue - Flight Status

Codeshare Flights
The flight BA8370 from British Airways (BA) is a codeshare flight operated by JetBlue (B6) under the flight number B6398. Check this page for details about flight B6398.

Below, you can find details about JetBlue flight B6398, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Boston - Boston Logan International Airport (Airport Code BOS).
This flight data pertains specifically to the flight's details for Wednesday, August 26, 2026.

B6398 On Time performance:
30
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

B6398 JetBlue to Boston

Scheduled - On-time
Flight Status for Wednesday August 26, 2026
This flight was also scheduled for Yesterday (August 25, 2026). See it here
This flight is also scheduled for Tomorrow (August 27, 2026). See it here

Airline information

JetBlue
JetBlue
Equipment: Airbus A321 (sharklets)

Departure

Seattle (SEA)
August 26, 2026
Seattle-Tacoma International Airport
Estimated Departure Time:
11:40 am
Gate:
D22
Scheduled Departure Time: 11:40 am

Arrival

Boston (BOS)
August 26, 2026
Boston Logan International Airport
Estimated Arrival Time:
08:09 pm
Terminal:
C
Gate:
C19
Scheduled Arrival Time: 08:09 pm
Baggage: 4
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.seattle-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- BA8370 - British Airways

- TP4478 - TAP Air Portugal

Additional Information

Which is the frequency of flight B6398?
The flight B6398 is scheduled to flight on daily basis.

Which is the distance of flight B6398?
The distance between the two airports is 2489 miles.

Which is the flight time of flight B6398?
The scheduled flight time gate to gate is: 05:29 hours.
The real flight time gate to gate on average is: 05:21 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-08-26 05:59:17
Current Time in Boston: 2026-08-26 08:59:17

Alternative Flights

The following airlines serves the same route between Seattle and Boston:

Alaska Airlines
- Flight Number: AS1505. (On Time performance: 97 - Average Delay: 1 minutes)
- Flight Number: AS214. (On Time performance: 80 - Average Delay: 5 minutes)
- Flight Number: AS219. (On Time performance: 60 - Average Delay: 24 minutes)
- Flight Number: AS306. (On Time performance: 68 - Average Delay: 17 minutes)
- Flight Number: AS357. (On Time performance: 75 - Average Delay: 16 minutes)
- Flight Number: AS460. (On Time performance: 72 - Average Delay: 17 minutes)
- Flight Number: AS476.
- Flight Number: AS536. (On Time performance: 79 - Average Delay: 11 minutes)

JetBlue
- Flight Number: B6198. (On Time performance: 38 - Average Delay: 49 minutes)

Delta Air Lines
- Flight Number: DL438. (On Time performance: 57 - Average Delay: 36 minutes)
- Flight Number: DL459. (On Time performance: 93 - Average Delay: 3 minutes)
- Flight Number: DL473. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: DL474. (On Time performance: 60 - Average Delay: 19 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from May 24, 2026 to August 23, 2026, we have obtained these figures.
Total number of flights: 92
On Time: 28 ( 30 % )
Moderate Delay: 17 ( 18 % )
Significant Delay: 19 ( 21 % )
Major Delay: 28 ( 30 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 51 minutes.
Delays analyzed by Weekday: We have gathered available data from last six months, spanning from May 14, 2026 to August 23, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from August 02, 2025 to July 31, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Last Past Flights B6398

Date
Departure
Arrival
Duration
Aircraft
Status
Tuesday
25 August
11:51 am
Seattle (SEA)
08:20 pm
Boston (BOS)
05h 29min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Monday
24 August
03:36 pm
Seattle (SEA)
11:35 pm
Boston (BOS)
04h 59min
Airbus A321 (s
Airbus A321 (s
Landed - Delayed
Sunday
23 August
09:00 am
Seattle (SEA)
05:14 pm
Boston (BOS)
05h 14min
Airbus A321 (s
Airbus A321 (s
Saturday
22 August
02:20 pm
Seattle (SEA)
10:42 pm
Boston (BOS)
05h 22min
Airbus A321 (s
Airbus A321 (s
Landed - Delayed
Friday
21 August
03:11 pm
Seattle (SEA)
11:15 pm
Boston (BOS)
05h 04min
Airbus A321 (s
Airbus A321 (s
Landed - Delayed
Thursday
20 August
12:04 pm
Seattle (SEA)
08:49 pm
Boston (BOS)
05h 45min
Airbus A321 (s
Airbus A321 (s
Landed - Delayed
Wednesday
19 August
12:02 pm
Seattle (SEA)
08:08 pm
Boston (BOS)
05h 06min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Tuesday
18 August
12:09 pm
Seattle (SEA)
08:18 pm
Boston (BOS)
05h 09min
Airbus A321 (s
Airbus A321 (s
Landed - On-time
Monday
17 August
01:19 pm
Seattle (SEA)
09:50 pm
Boston (BOS)
05h 31min
Airbus A321 (s
Airbus A321 (s
Landed - Delayed
Sunday
16 August
12:36 pm
Seattle (SEA)
08:42 pm
Boston (BOS)
05h 06min
Airbus A321 (s
Airbus A321 (s
Landed - Delayed