AUS → DEN Southwest Airlines

Southwest Airlines · Austin, TX to Denver, CO · 2,356 flights, 2025-07-01 to 2026-06-30 · aggregated across 105 flight numbers

This route runs much more reliably at some times of day than others — 94% on-time departing 3–6am vs. 57% departing 6–9pm.
On-time arrival
74%
Median delay
-3 min
90th percentile
+52 min
Cancellation rate
1%

How on-time is Southwest Airlines from AUS to DEN?

Across every Southwest Airlines flight number on AUS → DEN (2,356 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +52 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,71974%
16-30 min2229%
31-60 min1988%
61-120 min1406%
2+ hrs582%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0721063%+25 min
2025-0818079%+6 min
2025-0917283%+0 min
2025-1021976%+5 min
2025-1118076%+4 min
2025-1220270%+12 min
2026-0116687%-1 min
2026-0217477%+7 min
2026-0320973%+11 min
2026-0420276%+5 min
2026-0520668%+14 min
2026-0621761%+19 min

Performance by day of week

DayFlightsOn-time
Mon37972%
Tue31579%
Wed30076%
Thu37468%
Fri37572%
Sat24682%
Sun34870%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…