See Below for realistic flights that flew in and out of LHR in September/October 2018. Also I have not done more then 5 flight numbers for any short haul flight. Done them all for Long haul though. Massive props to flightera.com, without that website this wouldn’t be possible! Hope you enjoy!
British Airways:
United States of America
BA113 BA115 BA117 BA173 LHR-JFK 747-400 777-200
BA185 BA189 LHR-EWR 777-200 787-9
BA203 BA213 BA239 LHR-BOS 777-200 777-300ER 747-400 A380
BA67 LHR-PHL 747-400
BA229 LHR-BWI 787-8 787-9
BA217 BA291 BA293 LHR-IAD 747-400/777-300ER
BA279 LHR-SJO 787-9
BA227 LHR-ATL 777-200
BA273 LHR-SAN 777-300ER
BA269 BA281 BA283 LHR-LAX A380 787-9 747-400
BA285 BA287 LHR-SFO 747-400 A380
BA193 LHR-DFW 747-400
BA195 BA197 LHR-IAH 777-200
BA191 LHR-AUS 747-400
BA219 LHR-DEN 747-400
BA49 BA53 LHR-SEA 747-400 777-200
BA289 LHR-PHX 747-400
BA225 LHR-MSY 787-8 787-9
BA295 BA297 LHR-ORD 747-400 A380
BA223 LHR-BNA 787-8
BA207 LHR-MIA 747-400
Canada
BA93 BA99 LHR-YYZ 787-8 787-9 777-200
BA85 LHR-YVR A380
BA95 LHR-YUL 787-8
BA103 LHR-YYC 787-8 787-9
Mexico
BA243 LHR-MEX 787-9
Bahamas
BA253 LHR-NAS 777-200
Bermuda
Brazil
BA247 LHR-GRU 777-300ER
BA249 LHR-GIG 787-8 787-9
Chile
BA251 LHR-SCL 787-9
Ghana
BA81 LHR-ACC 747-400
Angola
BA77 LHR-LAD 777-200
Nigeria
BA75 LHR-LOS 747-400 777-200
BA83 LHR-ABV 777-200
Seychelles
BA63 LHR-SEZ 787-9
Kenya
BA65 LHR-NBO 747-400
Egypt
LHR-CAI 787-8 (Or leased Air Belgium A340-300)
Morocco
(Can’t find Flight Number) LHR-RAK A320 (started on October 28th 2018)
South Africa
BA41 LHR-DUR 787-8
BA59 LHR-CPT 747-400
BA054 BA57 LHR-JNB 747-400
Israel
BA165 LHR-TLV 777-300ER
Lebanon
BA149 LHR-BEY A321
Saudi Arabia
BA133 LHR-JED 787-9
BA263 LHR-RUH 777-200
United Arab Emirates
BA105 BA107 BA109 LHR-DXB 777-200
BA73 LHR-AUH 787-9 (Or leased Air Belgium A340-300)
Bahrain
BA125 LHR-BAH 777-200
Kuwait
BA157 LHR-KWI 777-200
Iran
BA152 LHR-IKA 777-200
Oman
BA79 LHR-MCT 787-8 787-9
India
BA143 BA257 LHR-DEL 777-200
BA139 BA199 LHR-BOM 787-9 777-200
BA35 LHR-MAA 787-9 787-8
BA119 LHR-BLR 777-200
BA277 LHR-HYD 787-8 787-9
Maldives
BA60 LHR-MLE 777-300ER
Thailand
BA9 LHR-BKK 777-200
Malaysia
BA33 LHR-KUL 787-9
Singapore
BA11 BA15 LHR-SIN A380 777-300ER
South Korea
BA17 LHR-ICN 787-8
Japan
BA007 LHR-HND 777-300ER
BA5 LHR-NRT 787-9
China
BA169 LHR-PVG 777-200
BA39 LHR-PEK 777-300ER
Hong Kong
BA31 LHR-HKG A380
Russia
BA233 LHR-DME 787-9 777-200
BA878 LHR-LED A320
Iceland
BA800 LHR-KEF A320
Ireland
BA824 BA826 BA828 BA830 LHR-DUB A319/A320
United Kingdom
BA1414 BA1416 BA1418 BA1420 LHR-BHD A319/A320
BA1466 BA1468 LHR-INV A319/A320
BA1304 BA1306 BA1308 LHR-ABZ A319/A320
BA1470 BA1472 BA1474 BA1476 BA1478 LHR-GLA A319/A320/767-300
BA1430 BA 1432 BA1434 BA1436 BA1438 BA1440 LHR-EDI A319/A320/A321/767-300
BA1324 BA1326 BA1334 LHR-NCL A319/A320/A321
BA1344 LHR-LBA A319
BA1370 BA1372 BA1374 BA1382 BA1394 LHR-MAN A319/A320/A321
BA1350 LHR-NQY A319
Jersey
BA1340 BA1346 BA1350 LHR-JER A319/A320
France
BA304 BA306 BA308 LHR-CDG A319/A320/A321
BA360 BA362 LHR-LYS A319/A320
BA354 BA356 BA358 LHR-NCE A320/A321
BA336 BA366 LHR-MRS A320
BA372 BA374 LHR-TLS A319/A320
BA752 BA754 LHR-BSL A319/A320
BA386 LHR-NTE A319
BA340 LHR-FSC A319/A320
Belgium
BA392 BA394 BA396 LHR-BRU A319/A320
Luxembourg
BA416 BA418 LHR-LUX A319/A320
Netherlands
BA428 BA430 BA432 BA434 BA436 LHR-AMS A319/A320/A321/767-300
Switzerland
BA710 BA712 BA714 LHR-ZRH A320/A321
BA724 BA726 BA728 LHR-GVA A319/A320
Germany
BA992 BA994 BA996 BA998 LHR-BER A319/A320/A321
BA948 BA950 BA952 BA954 LHR-MUC A319/A320/A321
BA902 BA904 BA910 BA914 LHR-FRA A319/A320/A321/767-300
BA962 BA964 BA966 LHR-HAM A319/A320/A321
BA918 BA920 LHR-STR A319/A320
BA930 BA932 LHR-CGN A319/A320
BA938 BA940 LHR-DUS A319/A320
BA934 BA976 LHR-HAJ A319/A320
Denmark
BA812 BA814 BA816 LHR-CPH A320/A321
BA806 LHR-BLL A319
Norway
BA760 BA762 LHR-OSL A319/A320/A321
BA612 LHR-TOA A319/A320
Sweden
BA776 BA778 BA780 BA782 LHR-ARN 767-300
BA790 BA792 LHR-GOT A319/A320
Czechia
BA854 BA856 BA858 LHR-PRG A319/A320
Poland
BA846 BA850 LHR-WAW A320
BA872 LHR-KRK A319/A320
Ukraine
BA882 LHR-KBP A320
Portugal
BA500 BA502 BA504 LHR-LIS A320/A321
BA506 BA508 LHR-FAO A319/A320/A321
Spain
BA456 BA458 BA460 BA462 BA464 LHR-MAD A320/A321/767-300
BA472 BA474 BA476 BA480 LHR-BCN A320/A321
BA408 BA422 LHR-VLC A319/A320
BA412 BA420 BA446 LHR-AGP A320/A321
BA390 BA414 LHR-TFS A320/A321
BA324 BA410 BA452 BA478 LHR-IBZ A320/A321
BA450 BA494 BA496 BA512 LHR-PMI A320/A321
BA528 LHR-OVD A320
Italy
BA552 BA554 BA556 BA558 BA560 LHR-FCO A320/A321/767-300
BA562 BA564 BA568 BA570 LHR-LIN A319/A320
BA572 BA576 BA580 BA582 LHR-MXP A319/A320/A321
BA578 LHR-VCE A319/A320
BA600 LHR-TRN A320
BA602 LHR-PSA A319/A320/A321
Croatia
BA894 LHR-PUY A320
BA844 LHR-DBV A319/A320
BA842 LHR-SPU A319/A320
BA848 LHR-ZAG A320
Gibraltar
BA490 BA492 LHR-GIB A320
Greece
BA632 BA634 BA636 BA638 LHR-ATH A320/A321
BA648 LHR-CFU A320
BA658 LHR-ZTH A320
BA646 LHR-EFL A320
BA772 LHR-SKG A320
BA652 LHR-JTR A320
BA660 LHR-CHQ A320
BA624 LHR-RHO A320/A321
Cyprus
BA662 BA664 LHR-LCA 767-300/787-8/A320/A321
Romania
BA884 BA886 LHR-OTP A320
Bulgaria
BA890 BA892 LHR-SOF A320
Hungary
BA866 BA868 BA870 LHR-BUD A320
Turkey
BA674 BA676 LHR-IST A320
(Don’t buy BA only had 1 route to Turkey, but can’t find anything else)
Virgin Atlantic:
United States of America
VS105 LHR-SEA 787-9
VS19 VS41 LHR-SFO A340-600 787-9
VS7 VS23 LHR-LAX 787-9
VS103 LHR-ATL A340-600
VS5 VS117 LHR-MIA A330-300
VS21 LHR-IAD A330-300
VS3 VS9 VS25 VS45 LHR-JFK A330-300 A340-600 787-9
VS11 LHR-BOS 787-9
Barbados
VS131 LHR-BGI A330-300
United Arab Emirates
VS400 LHR-DXB A330-300
India
VS300 LHR-DEL 787-9
China
VS250 LHR-PVG 787-9
American Airlines:
United States of America
AA21 AA51 LHR-DFW 777-300ER 777-200
AA101 AA107 LHR-JFK 777-200 777-300ER
AA731 AA733 LHR-CLT A330-300
AA173 LHR-RDU 777-200
AA729 LHR-PHL A330-300 A330-200
AA39 AA57 LHR-MIA 777-300ER
AA47 AA87 AA91 LHR-ORD 787-8
AA135 AA137 LHR-LAX 777-200 777-300ER
United:
United States of America
UA15 UA17 LHR-EWR 767-400 767-300 757-200
UA123 UA919 UA925 LHR-IAD 757-200 767-300 787-8
UA928 UA958 LHR-ORD 767-300
UA4 LHR-IAH 777-200
UA26 LHR-DEN 787-8
UA900 UA949 LHR-SFO 777-200 777-300ER
UA935 LHR-LAX 787-9
Delta Airlines
United States of America
Aegean
Greece
A3601 LHR-ATH A320
Aer Lingus
Ireland
EI151 EI153 EI155 LHR-DUB A320
EI381 LHR-SNN A320
EI711 LHR-ORK A320
EI937 LHR-BHD A320
Aeroflot (if the war end and they get added back)
Russia
SU157 SU2578 LHR-SVO A321 A332 777-300ER
AeroMexico
Mexico
AM8 LHR-MEX 787-9
Air Algérie
Algeria
AH2055 LHR-ALG 737-800
Air Astana
Kazakhstan
KC664 LHR-ALA 757-200
Air Canada
Canada
AC855 AC857 AC859 LHR-YYZ 777-300ER 787-9 777-200LR
AC851 LHR-YYC 787-9
AC865 LHR-YUL A330-300 777-300ER 777-200LR
AC889 LHR-YOW 767-300
AC861 LHR-YHZ 737-8M
AC885 LHR-YVR 777-300ER
Air China
China
CA856 LHR-PEK A330-200
Air France
France
AF1181 AF1281 AF1381 LHR-CDG A319 A320
Air India
India
AI130 LHR-BOM 787-8
AI112 AI162 LHR-DEL 787-8
AI170 LHR-AMD 787-8
United States of America
AI171 LHR-EWR 787-8
Air Malta
Malta
KM101 KM103 LHR-MLA A320
Air Mauritius
Mauritius
MK53 LHR-MRU A340-300
Air New Zealand
United States of America
NZ1 LHR-LAX 777-300ER
Air Serbia
Serbia
(Can’t find a flight number) LHR-BEG A319
Alitalia
Italy
AZ207 LHR-FCO A321
AZ237 LHR-LIN A320
All Nippon Airways (ANA)
Japan
HN212 LHR-HND 777-300ER
Asiana Airlines
South Korea
OZ522 LHR-ICN A350-900
Austrian Airlines
Austria
OS458 OS452 OS454 LHR-VIE A319 A320 A321
Avianca
Colombia
AV121 LHR-BOG 787-8
Azerbaijan Airlines
Azerbaijan
J28 LHR-GYD 787-8
Beijing Capital Airlines
China
JD432 LHR-TAO A330-200
Biman Bangladesh Airlines
Bangladesh
BG202 LHR-SYL 777-300ER
Brussels Airlines
Belgium
SN2094 LHR-BRU A320
Bulgaria Air
Bulgaria
FB852 LHR-SOF A320
Cathay Pacific
Hong Kong
CX238 CX250 LHR-HKG 777-300ER
China Eastern Airlines
China
MU552 LHR-PVG 777-300ER
Croatia Airlines
Croatia
OU491 LHR-ZAG A319 A320