Alaska Airlines
AS520Seattle to San Antonio
Alaska Airlines flight AS520 flies from Seattle Tacoma (SEA) to San Antonio (SAT), 2,854 km. Over October 2025 to July 2026 it usually arrives right on schedule: 77% of 192 flights arrived within 15 minutes of schedule and 0% were cancelled (US Department of Transportation data).
On-time record, last 12 months
77%
on time (within 15 min)
10%
more than 30 min late
0%
cancelled
0 min
average arrival vs schedule
Every operation of AS520, October 2025 to July 2026: 192 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS520
- Seattle Tacoma (SEA) to San Antonio (SAT)106 flights
- Portland (PDX) to Los Angeles (LAX)32 flights
- San Jose (SJC) to Portland (PDX)31 flights
- Seattle Tacoma (SEA) to Burbank (BUR)20 flights
- Seattle Tacoma (SEA) to Santa Ana (SNA)1 flights
- Phoenix Sky Harbor (PHX) to Boise (BOI)1 flights
- Seattle Tacoma (SEA) to Portland (PDX)1 flights
Other flights from Seattle to San Antonio
More about Seattle Tacoma (SEA) and San Antonio (SAT).
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