Redigerer IATA-flyselskapskode (avsnitt)

===P===
<!-- when adding a IATA code to the list, please make sure that under the disambiguation page corresponding to the IATA code, the airline is listed! -->
* P0 – [[Proflight Commuter Services]] (Zambia)
* P2 – [[UTair]] (Russland) ''Endret til UT siden 2006''
* P5 – [[AeroRepublica]] (Colombia)
* P7 – [[Russian Sky Airlines]]
* P8 – [[Pantanal Linhas Aereas]] (Brasil)
* P9 – [[Nas Air]] (Mali)
* P9 – [[Perm Airlines]] (Russland)
* PA – [[Florida Coastal Airlines]] (USA)
* PA – [[Pan American World Airways]] (USA) ''ikke lenger operativt''
* PC – [[Air Fiji]]
* PC – [[Continental Airways]] (Russland)
* PD – [[Porter Airlines]] (Canada)
* PE – [[Air Europe Italy]]
* PF – [[Palestinian Airlines]]
* PG – [[Bangkok Airways]] (Thailand)
* PH – [[Polynesian Airlines]] (Samoa)
* PI – [[Sun Air (Fiji)|Sun Air]] (Fiji)
* PI – [[Piedmont Airlines (1948-1989)|Piedmont Airlines]] (USA) ''ikke lenger operativt''
* PJ – [[Air Saint-Pierre]] (Frankrike)
* PK – [[Pakistan International Airlines]]
* PL – [[AeroPeru]] ''ikke lenger operativt''
* PL – [[Airstars Airways]] (Russland)
* PM – [[Tropic Air]] (Belize)
* PN – [[Pan American World Airways]] (USA) ''ikke lenger operativt''
* PO – [[Polar Air Cargo]] (USA)
* PQ – [[Panafrican Airways]] (Elfenbenskysten)
* PR – [[Philippine Airlines]] (Filippinene)
* PS – [[Ukraine International Airlines]]
* PS – [[Pacific Southwest Airlines]] (USA) ''ikke lenger operativt''
* PT – [[Capital Cargo International Airlines]] (USA)
* PT – [[West Air Sweden]]
* PU – [[PLUNA]] (Uruguay)
* PV – [[PAN Air]] (Spania)
* PW – [[Precision Air]] (Tanzania)
* PX – [[Air Niugini]] (Papua Ny-Guinea)
* PY – [[Surinam Airways]]
* PZ – [[TAM Mercosur]] (Paraguay)