United Flight UA273 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number UA273 take?
UA273 operates direct from IAD to SAL. During this trip, you can expect to be in the air for 5 hours and 9 minutes. Book ahead to secure your preferred seat.
What kind of plane is on flight number UA273?
Get set to board a Boeing 737-800 if your flight number is UA273. Most services from Dulles Intl. Airport to El Salvador Intl. Airport (SAL) operate using this aircraft type.
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 UA273 flight with Travelocity, please visit our Customer Service Portal.