punctually

appropriately correctly deservedly suitably

at the proper time befittingly decorously on time rightfully

improperly unduly unsuitably

dependable not delayed not late on schedule prompt punctual reliable timely without delay

directly expeditiously hastily instantly quickly rapidly speedily swiftly

pronto

PDQ at once fast flat-out fleetly in nothing flat lickety-split like a shot now on the dot on the double on time posthaste right away sharp straightaway unhesitatingly

slowly

late negligently

automatically commonly faithfully frequently repeatedly routinely systematically usually

conventionally customarily habitually mechanically ordinarily recurrently religiously tirelessly unchangingly

uncommonly unusually

erratically irregularly unevenly

bang right square

abruptly accurately exactly just on the button on the dot precisely promptly smack-dab squarely suddenly

late