Flight Odds
NK437 LAS → IAH

Spirit Airlines · Las Vegas, NV to Houston, TX · 14 flights observed, 2025-12-04 to 2025-12-17 · 1,222 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -17 min, while the worst 10% run +47 min or later.
On-time arrival
79%
Median delay
-17 min
90th percentile
+47 min
Cancellation rate
0%

How often is NK437 on time?

Across 14 flights on LAS → IAH from 2025-12-04 to 2025-12-17, NK437 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +47 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1179%
16-30 min17%
31-60 min17%
61-120 min00%
2+ hrs17%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121479%+10 min

Performance by day of week

DayFlightsOn-time
Mon2100%
Tue2100%
Wed2100%
Thu20%
Fri2100%
Sat2100%
Sun250%

Related

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…