WN1921 DEN → HOU

Southwest Airlines · Denver, CO to Houston, TX · 29 flights observed, 2025-07-01 to 2025-08-04 · 883 mi

This flight has been on time less than half the time (44%) — expect a real chance of a delay.

WN1921 covers more than one route in the data window — the stats below are for DEN → HOU, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
44%
Median delay
+17 min
90th percentile
+71 min
Cancellation rate
0%

How often is WN1921 on time?

Across 29 flights on DEN → HOU from 2025-07-01 to 2025-08-04, WN1921 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +71 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1244%
16-30 min311%
31-60 min830%
61-120 min27%
2+ hrs27%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072442%+35 min
2025-08367%+45 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue450%
Wed520%
Thu560%
Fri30%
Sat560%
SunNo data—

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