TUS → SAN Southwest Airlines

Southwest Airlines · Tucson, AZ to San Diego, CA · 653 flights, 2025-07-01 to 2026-06-30 · aggregated across 35 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 12–3pm vs. 57% departing 6–9pm.
On-time arrival
79%
Median delay
-9 min
90th percentile
+53 min
Cancellation rate
0%

How on-time is Southwest Airlines from TUS to SAN?

Across every Southwest Airlines flight number on TUS → SAN (653 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +53 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time51179%
16-30 min294%
31-60 min558%
61-120 min406%
2+ hrs152%

Performance by month

MonthFlightsOn-timeAvg delay
2025-075779%+9 min
2025-084883%+7 min
2025-094781%+6 min
2025-105675%+10 min
2025-115381%+3 min
2025-125777%+8 min
2026-015485%-6 min
2026-025287%-4 min
2026-035878%+2 min
2026-045673%+5 min
2026-055671%+16 min
2026-065675%+6 min

Performance by day of week

DayFlightsOn-time
Mon10479%
Tue9784%
Wed9588%
Thu9977%
Fri10267%
Sat5294%
Sun10170%

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