United Flight 4421 Deals & Information (2026/2027)

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 4421 Route Deals From $172

The cheapest prices found with in the last 7 days for return flights were $189 and $172 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 6 - Sat, Mar 7
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$189 Roundtrip, found 5 hours ago
$189
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Mar 6 from Springfield-Branson National to O'Hare Intl., returning Sat, Mar 7, priced at $189 found 5 hours ago
Sat, Apr 11 - Mon, Apr 13
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$204 Roundtrip, found 6 days ago
$204
Roundtrip
found 6 days ago
Select United flight, departing Sat, Apr 11 from Springfield-Branson National to O'Hare Intl., returning Mon, Apr 13, priced at $204 found 6 days ago
Fri, Feb 20 - Tue, Feb 24
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$205 Roundtrip, found 6 days ago
$205
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 20 from Springfield-Branson National to O'Hare Intl., returning Tue, Feb 24, priced at $205 found 6 days ago
Fri, Mar 6 - Sat, Mar 7
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$217 Roundtrip, found 5 hours ago
$217
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Mar 6 from Springfield-Branson National to O'Hare Intl., returning Sat, Mar 7, priced at $217 found 5 hours ago
Fri, Feb 13 - Sun, Feb 15
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$227 Roundtrip, found 20 hours ago
$227
Roundtrip
found 20 hours ago
Select United flight, departing Fri, Feb 13 from Springfield-Branson National to O'Hare Intl., returning Sun, Feb 15, priced at $227 found 20 hours ago
Fri, Feb 20 - Tue, Feb 24
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 20 from Springfield-Branson National to O'Hare Intl., returning Tue, Feb 24, priced at $237 found 6 days ago
Fri, Mar 6 - Sat, Mar 7
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$269 Roundtrip, found 5 hours ago
$269
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Mar 6 from Springfield-Branson National to O'Hare Intl., returning Sat, Mar 7, priced at $269 found 5 hours ago
Fri, Apr 17 - Sun, Apr 19
SGF
Springfield-Branson National
ORD
O'Hare Intl.
$271 Roundtrip, found 18 hours ago
$271
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Apr 17 from Springfield-Branson National to O'Hare Intl., returning Sun, Apr 19, priced at $271 found 18 hours ago

Frequently asked questions

What route does flight number UA4421 take?
UA4421 is used on a range of routes. Typically, UA4421 flies directly from O'Hare Intl. Airport (ORD) to Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.). If that's your flight path, you'll be traveling for around 2 hours and 1 minute.
What terminal does UA4421 fly out of?
You'll most likely board the aircraft from Terminal 1 if you're flying out of ORD. UA4421 serves a variety of routes, but the direct flight between ORD and Charlotte Airport is the most popular.
What kind of plane is on flight number UA4421?
Chances are you'll be hopping on board a Canadair (Bombardier) Regional Jet 550 if you're taking flight UA4421 from ORD to Charlotte-Douglas Intl. Airport (CLT). It's the most commonly used type of aircraft on this 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 UA4421 flight with Travelocity, please visit our Customer Service Portal.