WN3633 SFO → AUS

Southwest Airlines · San Francisco, CA to Austin, TX · 19 flights observed, 2026-06-04 to 2026-06-30 · 1,504 mi

This flight has been on time less than half the time (5%) — expect a real chance of a delay.

WN3633 covers more than one route in the data window — the stats below are for SFO → AUS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
5%
Median delay
+52 min
90th percentile
+91 min
Cancellation rate
0%

How often is WN3633 on time?

Across 19 flights on SFO → AUS from 2026-06-04 to 2026-06-30, WN3633 arrived within 15 minutes of schedule 5% of the time. The median arrival delay was +52 min, and the worst 10% of flights arrived +91 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time15%
16-30 min00%
31-60 min1263%
61-120 min421%
2+ hrs211%

Performance by month

MonthFlightsOn-timeAvg delay
2026-06195%+61 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue40%
Wed30%
Thu40%
Fri40%
SatNo data—
SunNo data—

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