WN3900 LAS → TUS

Southwest Airlines · Las Vegas, NV to Tucson, AZ · 24 flights observed, 2026-04-09 to 2026-06-01 · 364 mi

This flight has been on time less than half the time (46%) — expect a real chance of a delay.

WN3900 covers more than one route in the data window — the stats below are for LAS → TUS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
46%
Median delay
+20 min
90th percentile
+55 min
Cancellation rate
0%

How often is WN3900 on time?

Across 24 flights on LAS → TUS from 2026-04-09 to 2026-06-01, WN3900 arrived within 15 minutes of schedule 46% of the time. The median arrival delay was +20 min, and the worst 10% of flights arrived +55 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1146%
16-30 min521%
31-60 min625%
61-120 min14%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041030%+46 min
2026-051362%+14 min
2026-0610%+35 min

Performance by day of week

DayFlightsOn-time
Mon838%
TueNo data—
WedNo data—
Thu863%
Fri838%
SatNo data—
SunNo data—

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