PHX → HOU Southwest Airlines

Southwest Airlines · Phoenix, AZ to Houston, TX · 2,141 flights, 2025-07-01 to 2026-06-30 · aggregated across 115 flight numbers

This route runs much more reliably at some times of day than others — 94% on-time departing 3–6am vs. 44% departing 9pm–12am.
On-time arrival
72%
Median delay
+2 min
90th percentile
+42 min
Cancellation rate
0%

How on-time is Southwest Airlines from PHX to HOU?

Across every Southwest Airlines flight number on PHX → HOU (2,141 flights, 2025-07-01 to 2026-06-30), 72% arrived within 15 minutes of schedule. Median arrival delay +2 min; the worst 10% ran +42 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,54172%
16-30 min25412%
31-60 min20610%
61-120 min854%
2+ hrs432%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0718064%+22 min
2025-0815882%+7 min
2025-0915086%+5 min
2025-1019278%+9 min
2025-1118267%+17 min
2025-1219775%+9 min
2026-0116986%+0 min
2026-0215882%+4 min
2026-0319652%+24 min
2026-0419374%+10 min
2026-0519766%+15 min
2026-0615762%+14 min

Performance by day of week

DayFlightsOn-time
Mon32872%
Tue29077%
Wed28076%
Thu32271%
Fri32569%
Sat26172%
Sun32371%

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