FedEx said in Thursday's quarterly filing that it has extended the retirement deadline for the full MD-11 fleet from 2028 until ... a truck-fly-truck delivery model than flying the entire trip.

FedEx still has 37 MD-11Fs in its fleet, which also includes 57 777Fs, 143 767Fs, 92 757s and 65 Airbus A300-600s. At the end of February the carrier had commitments for another nine 767Fs.