Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

NKS2251

Operated by Spirit Airlines

Live map

Live map filtered to NKS2251. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SDF KSDF VFR

Louisville Muhammad Ali International Airport

Louisville, US

Local time
00:47 EDT
Timezone
America/Kentucky/Louisville
Type
Large Airport
Elevation
501 ft
Coordinates
38.1706, -85.7351

cloud Weather

Wind
150° / 4 kt
Visibility
10 SM
Ceiling
BKN 30,000 ft
Temp / Dew
22°C / 12°C
Altimeter
29.99 inHg

Obs: 2026-10-01T03:56:00.000Z

Raw METAR / TAF 
METAR KSDF 010356Z 15004KT 10SM BKN300 22/12 A2999 RMK AO2 SLP151 T02170122

TAF KSDF 302320Z 0100/0206 16005KT P6SM FEW250 FM011500 21015G24KT P6SM FEW090 BKN250 FM012300 20008KT P6SM SCT080 OVC250

flight Live Traffic

flight_takeoff 62 Departures
flight_land 149 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
23:47 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
150° / 8 kt
Visibility
10 SM
Ceiling
FEW 2,500 ft, SCT 18,000 ft, BKN 25,000 ft
Temp / Dew
28°C / 24°C
Altimeter
29.85 inHg

Obs: 2026-10-01T03:53:00.000Z

Raw METAR / TAF 
METAR KIAH 010353Z 15008KT 10SM FEW025 SCT180 BKN250 28/24 A2985 RMK AO2 SLP107 T02830244

TAF KIAH 010414Z 0104/0206 15012KT P6SM VCSH SCT025 BKN250 FM010700 15006KT P6SM SCT020 FM011400 16011KT P6SM SCT025 BKN250 FM011600 16012G19KT P6SM VCSH BKN040 PROB30 0118/0124 5SM TSRA BR BKN030CB FM020200 13008KT P6SM BKN040

flight Live Traffic

flight_takeoff 358 Departures
flight_land 206 Arrivals

Recent history last 25

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-01 A8F338 SDF → IAH May 1, 14:35 UTCMay 1, 17:30 UTC2h 55m - -
2026-05-01 A8F338 SDF → IAH May 1, 14:35 UTCMay 1, 17:23 UTC2h 48m +10m +7m
2026-04-30 A7DB08 SDF → IAH Apr 30, 14:44 UTCApr 30, 17:35 UTC2h 51m +19m +2m
2026-04-30 A7DB08 SDF → IAH Apr 30, 14:45 UTCApr 30, 17:40 UTC2h 55m - -
2026-04-29 A7E62D SDF → IAH Apr 29, 15:45 UTCApr 29, 18:30 UTC2h 45m - -
2026-04-28 A82A06 SDF → IAH Apr 28, 15:35 UTCApr 28, 18:15 UTC2h 40m - -
2026-04-27 A7CFE3 SDF → IAH Apr 27, 17:05 UTCApr 27, 19:40 UTC2h 35m - -
2026-04-26 A838E2 SDF → IAH Apr 26, 14:45 UTCApr 26, 17:30 UTC2h 45m - -
2026-04-26 A838E2 SDF → IAH Apr 26, 14:41 UTCApr 26, 17:32 UTC2h 51m +16m +9m
2026-04-25 A8955E SDF → IAH Apr 25, 14:55 UTCApr 25, 17:35 UTC2h 40m - -
2026-04-25 A8955E SDF → IAH Apr 25, 14:52 UTCApr 25, 17:29 UTC2h 37m +27m +2m
2026-04-24 A89915 SDF → IAH Apr 24, 14:40 UTCApr 24, 17:15 UTC2h 35m - -
2026-04-23 AD775D SDF → IAH Apr 23, 14:55 UTCApr 23, 17:20 UTC2h 25m - -
2026-04-22 A82298 SDF → IAH Apr 22, 15:35 UTCApr 22, 18:05 UTC2h 30m - -
2026-04-21 A81B2A SDF → IAH Apr 21, 15:40 UTCApr 21, 18:10 UTC2h 30m - -
2026-04-21 A81B2A SDF → IAH Apr 21, 15:37 UTCApr 21, 18:07 UTC2h 30m +12m -3m
2026-04-20 A84DCE SDF → IAH Apr 20, 15:05 UTCApr 20, 17:55 UTC2h 50m - -
2026-04-19 ADCDC9 SDF → IAH Apr 19, 14:40 UTCApr 19, 17:55 UTC3h 15m - -
2026-04-19 ADCDC9 SDF → IAH Apr 19, 14:39 UTCApr 19, 17:53 UTC3h 14m +14m +31m
2026-04-18 A8A083 SDF → IAH Apr 18, 14:50 UTCApr 18, 17:20 UTC2h 30m - -
2026-04-17 ADCA12 SDF → IAH Apr 17, 19:25 UTCApr 17, 19:55 UTC30m - -
2026-04-17 ADCA12 SDF → IAH Apr 17, 17:25 UTCApr 17, 19:20 UTC1h 55m - -
2026-04-16 A7E276 SDF → IAH Apr 16, 17:15 UTCApr 16, 17:25 UTC10m - -
2026-04-16 A7E276 SDF → IAH Apr 16, 15:15 UTCApr 16, 17:10 UTC1h 55m - -
2026-04-16 A7E276 SDF → IAH Apr 16, 14:45 UTCApr 16, 15:10 UTC25m - -

Performance history

Flights tracked
25
Avg arrival delay
+8m
On-time arrival
83% 83% on time
Aircraft used
16

Monthly activity 2 months

Month Flights tracked
May 2026 2
April 2026 23

NKS2251 frequently asked

Where does flight NKS2251 fly?
NKS2251 (Spirit Airlines) flies from SDF to IAH. View the full route page.
How long is flight NKS2251?
Based on observed flights, NKS2251 takes on average 2h 23m from takeoff to landing.
How often does NKS2251 fly?
NKS2251 has been observed flying several times a week in our tracking data. We've recorded 25 flights under this callsign.
Is flight NKS2251 usually on time?
Across recent flights, NKS2251 arrives with an average 8-minute delay. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight NKS2251?
NKS2251 has been operated by 16 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track NKS2251 live?
Yes. When NKS2251 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.