Airline:Southwest Airlines typeB38M REGN8920Q ICAOac4f29 Historical flights WN4339 , WN1412 , WN985 , WN1670 , WN460 , WN2323 , WN3560 , WN461 , WN690 , WN4070 , WN4216 , WN3457 , WN4286 , WN3220 , WN2980 , WN2714 , WN938 , WN3584 , WN2494 , WN432
