AA3121 SAN → PHX
American Airlines · San Diego, CA to Phoenix, AZ · 46 flights observed, 2025-12-18 to 2026-04-06 · 304 mi
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).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 38 | 83% |
| 16-30 min | 1 | 2% |
| 31-60 min | 3 | 7% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 11 | 73% | +15 min |
| 2026-01 | 5 | 60% | +14 min |
| 2026-03 | 24 | 88% | +44 min |
| 2026-04 | 6 | 100% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 6 | 83% |
| Wed | 4 | 100% |
| Thu | 6 | 83% |
| Fri | 7 | 71% |
| Sat | 7 | 86% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…