Spirit Airlines NK743 Flight Status Today

Domestic flight Spirit Airlines NK743 takes off from Fort Lauderdale (FLL) United States to Boston (BOS) United States. It's operated by Spirit Airlines. The plane leaves Fort Lauderdale-Hollywood International Airport at 20:32 14 February 2026 America/New_York. The flight is expected to land at Logan International Airport at 23:44 14 February 2026 America/New_York. The flight will last about 3 hours 12 minutes.

Current status of NK743 is Scheduled On time Estimated Depart in 4 hours, 33 minutes

NK743 - NKS743 Spirit Airlines (NK)
FLL Fort Lauderdale United States
Flight FLL to BOS
BOS Boston United States
Scheduled On time Estimated Depart in 4 hours, 33 minutes
Departure Fort Lauderdale-Hollywood International Airport
IATA: FLLICAO: KFLL
Scheduled 20:32 14 February 2026
Estimated 20:32 14 February 2026
4 G12
Arrival Logan International Airport
IATA: BOSICAO: KBOS
Scheduled 23:44 14 February 2026
Estimated 23:44 14 February 2026
B B38
NK743 Detail
  • Type: Domestic Flight
  • Flight Duration: 3 hours 12 minutes
  • Flight Distance: 1991 kms / 1237 miles
Airline
  • Spirit Airlines
  • IATA: NK
  • ICAO: NKS
  • Operating Days: Monday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 145
  • Freight capacity: 6.7 tons
  • Passenger classes: Economy
More Detail
  • Aircraft: Airbus A321 (sharklets)
  • Callsign: F-KRHV1
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/New_York
  • Current Time in Fort Lauderdale: Saturday 2026-02-14 15:59 PM
  • Current Time in Boston: Saturday 2026-02-14 15:59 PM

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JetBlue Airways B670
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09:12

Spirit Airlines Flight NK743 FAQs

What is the scheduled flight duration for Spirit Airlines NK743 flight?

On average, nonstop flight takes 3 hour(s) 12 minutes, with the flight distance of 1991 km (1237 miles).

What is the current status of Spirit Airlines NK743 flight?

The current status of flight Spirit Airlines NK743 is Scheduled On time.

What type of aircraft is used for the Spirit Airlines NK743 flight?

All Spirit Airlines NK743 flights are operated using Airbus A321 (sharklets) aircraft.

When does the flight Spirit Airlines NK743 arrive?

Flight Spirit Airlines NK743 arrives at 23:44.

Which terminal the flight Spirit Airlines NK743 is arriving at?

Flight Spirit Airlines NK743 arrives in Logan International Airport at Terminal B.

How many Spirit Airlines NK743 flights are operated a week?

5 flights per week. The Flight Spirit Airlines NK743 is operated on Monday, Thursday, Friday, Saturday, Sunday.