United Flight WN1236 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 1236 Route Deals From $99

The cheapest prices found with in the last 7 days for return flights were $197 and $99 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 10 - Wed, Sep 24
PHL
Philadelphia Intl.
DEN
Denver Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 10 from Philadelphia Intl. to Denver Intl., returning Wed, Sep 24, priced at $197 found 1 day ago

Frequently asked questions

What route does flight number UA1236 take?
Flight number UA1236 takes around 1 hour and 55 minutes to jet straight from IAD to JAX. Sure, there's magic in the destination, but the journey is always half the fun!
What kind of plane is on flight number UA1236?
The route for UA1236 is predominantly Dulles Intl. Airport to Jacksonville Intl. Airport, and the Airbus A319 is the type of plane you'll probably be heading off on.
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 UA1236 flight with Travelocity, please visit our Customer Service Portal.