LHR → SEA
London Heathrow Airport to Seattle–Tacoma International Airport. 14,291 recorded sectors across 16 flight numbers.
Held from September 1995 to August 2026. The most-recorded number on this sector is BA49, with 9,950 of the 14,291 sectors held.
This is the LHR–SEA direction only. The return service is SEA–LHR.
Flight numbers
| Flight | Airline | Sectors | Held |
|---|---|---|---|
| BA49 | British Airways | 9,950 | Oct 1997 – Jul 2026 |
| BA53 | British Airways | 3,070 | Jun 1998 – Aug 2026 |
| BA83 | British Airways | 773 | Sep 1995 – Oct 1997 |
| BA40 | British Airways | 284 | Nov 2007 – Jan 2010 |
| BA52 | British Airways | 109 | Apr 2008 – Mar 2009 |
| BA1053 | British Airways | 91 | Mar 2007 – Sep 2009 |
| BA9172 | British Airways | 2 | Feb 2012 – Jul 2013 |
| BA9601 | British Airways | 2 | Jan 2010 – Dec 2023 |
| BA9604 | British Airways | 2 | Dec 2000 – Apr 2022 |
| BA9606 | British Airways | 2 | Jul 1999 – Jan 2010 |
| BA48 | British Airways | 1 | Nov 2000 – Nov 2000 |
| BA9152 | British Airways | 1 | Apr 2021 – Apr 2021 |
| BA9160 | British Airways | 1 | Sep 2001 – Sep 2001 |
| BA9170 | British Airways | 1 | Nov 2018 – Nov 2018 |
| BA9607 | British Airways | 1 | May 2022 – May 2022 |
| BA9608 | British Airways | 1 | Apr 2022 – Apr 2022 |