| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | LAS | IAH | 19:31 | 23:54 |
Landed
|
Track > |
| Dec 16 | LAS | IAH | 19:04 | 23:33 |
Landed
|
Track > |
| Dec 15 | LAS | IAH | 19:05 | 23:31 |
Landed
|
Track > |
| Dec 14 | LAS | IAH | 18:59 | 23:27 |
Landed
|
Track > |
| Dec 13 | LAS | IAH | 19:03 | 23:32 |
Landed
|
Track > |
| Dec 12 | LAS | IAH | 19:02 | 23:31 |
Landed
|
Track > |
| Dec 11 | LAS | IAH | 20:13 | 00:47 |
Landed Late
|
Track > |
| Dec 10 | LAS | IAH | 19:24 | 23:53 |
Landed
|
Track > |
| Dec 09 | LAS | IAH | 19:09 | 23:43 |
Landed
|
Track > |
| Dec 08 | LAS | IAH | 18:58 | 23:31 |
Landed
|
Track > |
Spirit Airlines Flight NK437 connects Las Vegas, United States to Houston, United States, taking off from Las Vegas McCarran International Airport LAS and landing at Houston George Bush Intercontinental Airport IAH.
How long is the NK437 flight from Las Vegas to Houston?
The average flight time from Las Vegas to Houston is 2 hours and 29 minutes. The flight distance is 1963 km / 1220 miles and the average flight speed is 789 km/h / 490 mph.
What is the On-Time Performance (OTP) of Spirit Airlines Flight NK437 Las Vegas to Houston?
The Airportia On-Time Performance Rating for Spirit Airlines Flight NK437 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight NK437 arriving at?
Flight NK437 arrives at Houston George Bush Intercontinental Airport (IAH) Terminal A.
When was the latest NK437 flight?
The latest flight took off on Thursday, December 18th, 2025 with the flight status being Landed on 23:54.
How else can the flight NK437 be referenced as?
This Spirit Airlines flight can also be referenced as NKS437, NK0437, NK 437, NKS 437.
How often is flight NK437 delayed?
On average, 10% of all NK437 flights are delayed. The average delay is 49 minutes.
Can I get compensation for my delayed or cancelled NK437 flight or baggage issues?
If your NK437 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our NK437 Flight Tracker above for more details.
Other flights departing from Las Vegas LAS: UA4762, DL945, Y42759, DL1244
Other flights arriving at Houston IAH: UA2306, Y42471, 5Y3772, UA4236
All flights connecting Las Vegas LAS to Houston IAH.