United Flight 5139 Deals & Information (2026/2027)

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United Flight 5139 Route Deals From $194

The cheapest prices found with in the last 7 days for return flights were $353 and $194 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 7 - Mon, Nov 9
HEZ
Adams County
IAH
George Bush Intercontinental
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 7 from Adams County to George Bush Intercontinental, returning Mon, Nov 9, priced at $353 found 4 days ago
Sat, Nov 7 - Mon, Nov 9
HEZ
Adams County
IAH
George Bush Intercontinental
$361 Roundtrip, found 4 days ago
$361
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 7 from Adams County to George Bush Intercontinental, returning Mon, Nov 9, priced at $361 found 4 days ago
Sat, Nov 7 - Mon, Nov 9
HEZ
Adams County
IAH
George Bush Intercontinental
$453 Roundtrip, found 4 days ago
$453
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 7 from Adams County to George Bush Intercontinental, returning Mon, Nov 9, priced at $453 found 4 days ago
Fri, Nov 6 - Sun, Nov 8
HEZ
Adams County
IAH
George Bush Intercontinental
$463 Roundtrip, found 4 days ago
$463
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 6 from Adams County to George Bush Intercontinental, returning Sun, Nov 8, priced at $463 found 4 days ago
Sat, Nov 7 - Mon, Nov 9
HEZ
Adams County
IAH
George Bush Intercontinental
$493 Roundtrip, found 4 days ago
$493
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 7 from Adams County to George Bush Intercontinental, returning Mon, Nov 9, priced at $493 found 4 days ago
Fri, Nov 6 - Sun, Nov 8
HEZ
Adams County
IAH
George Bush Intercontinental
$504 Roundtrip, found 4 days ago
$504
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 6 from Adams County to George Bush Intercontinental, returning Sun, Nov 8, priced at $504 found 4 days ago
Fri, Nov 6 - Sun, Nov 8
HEZ
Adams County
IAH
George Bush Intercontinental
$606 Roundtrip, found 4 days ago
$606
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 6 from Adams County to George Bush Intercontinental, returning Sun, Nov 8, priced at $606 found 4 days ago

Frequently asked questions

What route does flight number UA5139 take?
UA5139 takes multiple routes. The most frequently flown is between O'Hare Intl. Airport (ORD) and Mason City, IA Airport (MCW-Mason City Municipal), which is a direct flight. This flight takes around 1 hour and 30 minutes. However, you might find other flights with the same number that are multi-stop.
What terminal does UA5139 fly out of?
Terminal 2 is where you'll most likely jet off from if you're booked on a flight from ORD. ORD to Mason City Municipal Airport is the most popular route for flight number UA5139.
What kind of plane is on flight number UA5139?
If you're taking flight UA5139 from O'Hare Airport to Mason City Municipal Airport, you're likely to be cruising aboard the Bombardier CRJ. This flight number serves multiple routes, but this is the most popular one.
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 UA5139 flight with Travelocity, please visit our Customer Service Portal.