Currently we have 0 entries for Spirit Airlines-Flight NK 373 available. The planned take-off time (STD) is – and the planned arrival time (STA) is –. According to our data, 0 flights arrived late, 0 flights are on time or even arrived early. For 0 flight(s) we have no detailed information available. Make sure you download FLIO to get instant updates for your own flight dates! Below you can see an overview of the most recent flights: