How long does it take to fly from India to St Louis Missouri?

Answer 1

A random search for flights from Mumbai (Bombay) (BOM) to St Louis (STL) shows:

OPTION 1: 24hr 05min via Chicago OHare (ORD)
BOM - ORD Air India Flt 127 Dep 01:55am 10Dec,Thu
ORD - STL American Airlines Flt 1120 Dep 01:25pm 10Dec,Thu
Flight Duration: 21hr 30min; Layover Time: 2hr 35min; Total Trip Time: 24hr 05min

A random search for flights from Delhi (DEL) to St Louis (STL) shows:

OPTION 2: 20hr 02min via Chicago OHare (ORD)
DEL - ORD Jet Airways Flt 5193 Dep 12:55am 10Dec,Thu
Operated by American Airlines
ORD - STL United Airlines Flt 7373 Dep 08:17am 10Dec,Thu
Flight Duration: 17hr 00min; Layover Time: 3hr 02min; Total Trip Time: 20hr 02min