This document lists the maximum cruise speeds in miles per hour and mach number for various Boeing and Airbus aircraft models. Speeds range from Mach 0.78 for the Boeing 737-800 up to Mach 0.89 for the Airbus A380, which can cruise at 945 km/h. The Boeing 747 variants are among the fastest at Mach 0.84-0.855, allowing speeds from 555 mph up to 570 mph.

1. MAX CRUISE SPEED
B738 – Mach 0.785 (514 mph, 828 km/h)
B739 – Mach 0.78 (511 mph, 823 km/h)
B747 - Mach 0.84 (555 mph, 893 km/h, 481 kt) Mach 0.85 (567 mph, 913 km/h, 493 kt)
ER: Mach 0.855 (570 mph, 918 km/h, 495 kt) Mach 0.855 (570 mph, 918 km/h, 495 kt)
B767 Mach 0.80 (470 knots, 530 mph, 851 km/h)
BE40 468 knots Mach 0.78 (866 km/h, 539 mph)
B350 583 km/h 315 kts 362 mph
BE9L 477.75 Km/h 258 knots 297 Mph)
BE35 360km/h (194kt 223 mph)
A310 0.80 (850 km/h.)
A320 Mach 0.78 (828 km/h/511 )
A340 Mach 0.82 (871 km/h/537 mph)
A380 Mach 0.89 (945 km/h, 587 mph, 510 knots)
E90 Mach 0.82 (890km/h 481kt).