United Flight AA1989 Deals & Information (2025/2026)

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United Flight 1989 Route Deals From $146

The cheapest prices found with in the last 7 days for return flights were $270 and $146 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 28 - Thu, Oct 30
TUS
Tucson Intl.
ORD
O'Hare Intl.
$270 Roundtrip, found 4 days ago
$270
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 28 from Tucson Intl. to O'Hare Intl., returning Thu, Oct 30, priced at $270 found 4 days ago
Tue, Jan 13 - Wed, Jan 14
TUS
Tucson Intl.
ORD
O'Hare Intl.
$296 Roundtrip, found 4 days ago
$296
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 13 from Tucson Intl. to O'Hare Intl., returning Wed, Jan 14, priced at $296 found 4 days ago
Tue, Jan 13 - Wed, Jan 14
TUS
Tucson Intl.
ORD
O'Hare Intl.
$307 Roundtrip, found 4 days ago
$307
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 13 from Tucson Intl. to O'Hare Intl., returning Wed, Jan 14, priced at $307 found 4 days ago

Frequently asked questions

What route does flight number UA1989 take?
UA1989 is used on a range of routes. Mostly, UA1989 flies directly from San Francisco Intl. Airport (SFO) to ORD. If this is your route, you'll be up above the clouds for around 4 hours and 5 minutes.
What terminal does UA1989 fly out of?
You'll most likely board the aircraft from Terminal 3 if you're starting your journey at San Francisco Airport. Flight number UA1989 serves a variety of routes, but the direct flight between San Francisco Airport and O'Hare Intl. Airport (ORD) is the most popular.
What kind of plane is on flight number UA1989?
You'll probably be enjoying the services of the Boeing 737-900 if you're on flight UA1989 from San Francisco Airport to O'Hare Intl. Airport (ORD). It's the most commonly used aircraft model on this busy 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 UA1989 flight with Travelocity, please visit our Customer Service Portal.