How long is a flight between delhi and Calgary?

Answer 1

A random search for flights between DEL and Calgary (YYC) shows:

OPTION 1: 23hr 10min (Fastest, not cheapest)
DEL - FRA Lufthansa Flt 761 Dep 02:25am 01Apr,Wed
FRA - YYC Lufthansa Flt 494 Dep 09:45am 01Apr,Wed
Flight Duration: 20hr 30min; Layover Time: 2hr 40min; Total Trip Time: 23hr 10min.

Answer 2

A random search for flights from Delhi (DEL) to Toronto Intl (YYZ) shows: OPTION 1: 19hr 30min (without US Transit Visa)

DEL - LHR British Airways Flt 256 Dep 08:15am 26Jun,Fri

LHR - YYZ British Airways Flt 099 Dep 03:35pm 26Jun,Fri

Flight Duration: 17hr 00min; Layover Time: 2hr 30min; Total Trip Time: 19hr 30min OPTION 2: 21hr 00min (without US Transit Visa)

DEL - AUH Etihad Airways Flt 211 Dep 05:10am 27Jun,Sat

AUH - YYZ Etihad Airways Flt 141 Dep 10:10am 27Jun,Sat

Flight Duration: 18hr 05min; Layover Time: 2hr 55min; Total Trip Time: 21hr 00min OPTION 3: 19hr 07min via Newark Liberty (EWR)

DEL - EWR Continental Airlines Flt 0083 Dep 10:50pm 26Jun,Fri

EWR - YYZ Continental Airlines Flt 2292 Dep 06:55am 27Jun,Sat

Flight Duration: 16hr 47min; Layover Time: 2hr 20min; Total Trip Time: 19hr 07min