| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 03 | IAH | DTW | 06:15 | 09:27 |
Landed
|
Track > |
| Dec 02 | IAH | DTW | 06:22 | 09:28 |
Landed
|
Track > |
| Dec 01 | IAH | DTW | 06:26 | 09:31 |
Landed
|
Track > |
| Nov 30 | IAH | DTW | 06:10 | 09:46 |
Cancelled
|
Track > |
| Claim > | ||||||
| Nov 29 | IAH | DTW | 06:52 | 10:16 |
Landed Late
|
Track > |
| Nov 27 | IAH | DTW | 06:16 | 09:35 |
Landed
|
Track > |
| Nov 26 | IAH | DTW | 06:14 | 09:21 |
Landed
|
Track > |
| Nov 25 | IAH | DTW | 06:44 | 09:54 |
Landed
|
Track > |
| Nov 24 | IAH | DTW | 06:19 | 09:31 |
Landed
|
Track > |
| Nov 23 | IAH | DTW | 06:27 | 09:48 |
Landed
|
Track > |
Spirit Airlines Flight NK421 connects Houston, United States to Detroit, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at Detroit Metropolitan Wayne County Airport DTW.
How long is the NK421 flight from Houston to Detroit?
The average flight time from Houston to Detroit is 2 hours and 12 minutes. The flight distance is 1731 km / 1075 miles and the average flight speed is 772 km/h / 479 mph.
What is the On-Time Performance (OTP) of Spirit Airlines Flight NK421 Houston to Detroit?
The Airportia On-Time Performance Rating for Spirit Airlines Flight NK421 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight NK421 arriving at?
Flight NK421 arrives at Detroit Metropolitan Wayne County Airport (DTW) Terminal E.
When was the latest NK421 flight?
The latest flight took off on Wednesday, December 3rd, 2025 with the flight status being Landed on 09:27.
How else can the flight NK421 be referenced as?
This Spirit Airlines flight can also be referenced as NKS421, NK0421, NK 421, NKS 421.
How often is flight NK421 delayed?
On average, 30% of all NK421 flights are delayed. The average delay is 13 minutes.
Can I get compensation for my delayed or cancelled NK421 flight or baggage issues?
If your NK421 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 NK421 Flight Tracker above for more details.
Other flights departing from Houston IAH: NK170, NK710, Y42549, NK1900
Other flights arriving at Detroit DTW: NK2325, DL9979, NK750, UA2747
All flights connecting Houston IAH to Detroit DTW.