AA3121 SAN → PHX

American Airlines · San Diego, CA to Phoenix, AZ · 46 flights observed, 2025-12-18 to 2026-04-06 · 304 mi

This flight has been getting more reliable recently — 2026-04's on-time rate (100%) is well above the 73% average from earlier months.

AA3121 covers more than one route in the data window — the stats below are for SAN → PHX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
83%
Median delay
-8 min
90th percentile
+53 min
Cancellation rate
0%

How often is AA3121 on time?

Across 46 flights on SAN → PHX from 2025-12-18 to 2026-04-06, AA3121 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +53 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3883%
16-30 min12%
31-60 min37%
61-120 min24%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121173%+15 min
2026-01560%+14 min
2026-032488%+44 min
2026-046100%-15 min

Performance by day of week

DayFlightsOn-time
Mon875%
Tue683%
Wed4100%
Thu683%
Fri771%
Sat786%
Sun888%

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