AS3434 SNA → SFO

Alaska Airlines · Santa Ana, CA to San Francisco, CA · 106 flights observed, 2025-12-03 to 2026-05-12 · 372 mi

This flight runs much more reliably at some times of day than others — 89% on-time departing 12–3pm vs. 47% departing 9am–12pm.

AS3434 covers more than one route in the data window — the stats below are for SNA → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
69%
Median delay
-8 min
90th percentile
+111 min
Cancellation rate
0%

How often is AS3434 on time?

Across 106 flights on SNA → SFO from 2025-12-03 to 2026-05-12, AS3434 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +111 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time6969%
16-30 min55%
31-60 min88%
61-120 min99%
2+ hrs99%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121547%+114 min
2026-012488%-4 min
2026-021191%-15 min
2026-0314100%-16 min
2026-042861%+17 min
2026-0580%+61 min

Performance by day of week

DayFlightsOn-time
Mon1471%
Tue1385%
Wed1567%
Thu1573%
Fri1479%
Sat1567%
Sun1443%

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