Spirit Airlines flight NK 921: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 11:15 Houston George Bush (IAH) A 14:32 Orlando (MCO)
NK 921 Non-stop Airbus A320 (320) 2:17 Effective 2026-03-12 through 2026-04-14
Daily 12:15 Houston George Bush (IAH) A 15:36 Orlando (MCO)
NK 921 Non-stop Airbus A320 (320) 2:21 Effective 2026-04-15 through 2026-06-17
Daily 12:16 Houston George Bush (IAH) A 15:39 Orlando (MCO)
NK 921 Non-stop Airbus A321neo (32Q) 2:23 Effective 2026-01-08 through 2026-01-14
Daily 12:16 Houston George Bush (IAH) A 15:39 Orlando (MCO)
NK 921 Non-stop Airbus A321neo (32Q) 2:23 Effective 2026-01-20 through 2026-02-11
Daily 12:16 Houston George Bush (IAH) A 15:39 Orlando (MCO)
NK 921 Non-stop Airbus A321neo (32Q) 2:23 Effective 2026-02-23 through 2026-03-11
Daily 20:37 New York LaGuardia (LGA) A 22:07 Chicago O'Hare (ORD) 2
NK 921 Non-stop Airbus A320 (32A) 2:30 Valid until 2026-01-06
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This flight number is listed as serving the following routes:


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Spirit Airlines flight NK 921: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Spirit Airlines NK921
11:15
Houston George Bush (IAH) A

14:32
Orlando (MCO)
Effective 2026-03-12 through 2026-04-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Airbus A320 (320)
Direct Flights:
Spirit Airlines NK921
12:15
Houston George Bush (IAH) A

15:36
Orlando (MCO)
Effective 2026-04-15 through 2026-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:21, non-stop
Airbus A320 (320)
Direct Flights:
Spirit Airlines NK921
12:16
Houston George Bush (IAH) A

15:39
Orlando (MCO)
Effective 2026-01-08 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:23, non-stop
Airbus A321neo (32Q)
Direct Flights:
Spirit Airlines NK921
12:16
Houston George Bush (IAH) A

15:39
Orlando (MCO)
Effective 2026-01-20 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:23, non-stop
Airbus A321neo (32Q)
Direct Flights:
Spirit Airlines NK921
12:16
Houston George Bush (IAH) A

15:39
Orlando (MCO)
Effective 2026-02-23 through 2026-03-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:23, non-stop
Airbus A321neo (32Q)
Direct Flights:
Spirit Airlines NK921
20:37
New York LaGuardia (LGA) A

22:07
Chicago O'Hare (ORD) 2
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Airbus A320 (32A)
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This flight number is listed as serving the following routes:
  • Houston George Bush (IAH) - Orlando (MCO)
  • New York LaGuardia (LGA) - Chicago O'Hare (ORD)
All Spirit Airlines flights
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