avianca Flight 521 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number AV521 take?
Flight number AV521 takes around 4 hours and 55 minutes to fly direct from LAX to SAL. Sure, there’s magic in the destination, but getting there is half the fun!
How often is AV521 on time?
For passengers traveling with Avianca flight number AV521 between Los Angeles, CA Airport (LAX-Los Angeles Intl.) and El Salvador Intl. Airport (SAL), 100% of these trips take off on schedule. If there is an unforeseen delay, expect a wait time of about 5 minutes on average. Thanks to this air carrier’s top-notch service, this flight has a 4.2-star rating.
What terminal does AV521 fly out of?
Travelers booked on flight number AV521 from Los Angeles, CA Airport (LAX-Los Angeles Intl.) to El Salvador Intl. Airport Saint Oscar Arnulfo Romero y Galdámez generally jet out of Terminal B.
What kind of plane is on flight number AV521?
The Airbus A320 is the plane most commonly used for flight number AV521. This flight nearly always heads off from LAX and comes in to land at San Salvador Airport (SAL-El Salvador Intl.).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AV521 flight with Travelocity, please visit our Customer Service Portal.