American Airlines Flight 4991 Deals & Information (2025/2026)

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American Airlines Flight 4991 Route Deals From $391

The cheapest prices found with in the last 7 days for return flights were $401 and $391 for one-way flights to San Luis Obispo County Regional for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 29 - Sun, Feb 1
PHX
Sky Harbor Intl.
SBP
San Luis Obispo County Regional
$401 Roundtrip, found 2 days ago
$401
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jan 29 from Sky Harbor Intl. to San Luis Obispo County Regional, returning Sun, Feb 1, priced at $401 found 2 days ago

Frequently asked questions

What route does flight number AA4991 take?
AA4991 is used on multiple routes, but the most common is between PVD and O'Hare Airport. If you're lucky enough to score a direct flight, you'll arrive in around 2 hours and 48 minutes. Multi-stop flights can also travel under the same number, as can flights on other routes.
What kind of plane is on flight number AA4991?
It's more than likely you'll be traveling aboard an Embraer 175 if you've reserved a seat on flight number AA4991 from Providence, RI Airport (PVD-T.F. Green) to O'Hare Intl. Airport (ORD). This is the most commonly used aircraft model on this popular route.
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 AA4991 flight with Travelocity, please visit our Customer Service Portal.