United Airlines

UAL1121 / UA1121

ICAO: UAL1121 IATA: UA1121

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Flight schedule

Select flight date

Departure

Arrive

Aircraft

Effective

Avalibility

13:03

Guanacaste (LIR)

19:30

Chicago (ORD) T5

Boeing 737MAX 9 Passenger

Begins

2026-06-06

Valid to

2026-06-20

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 27m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

179

First class

Economy

159

13:03

Guanacaste (LIR)

19:30

Chicago (ORD) T5

Boeing 737-900 Passenger

Begins

2026-06-27

Valid to

2026-08-08

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 27m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

176

First class

Business

Economy

161

16:00

Chicago (ORD) T1

17:59

Minneapolis (MSP) T1

Airbus A319

Begins

2026-08-11

Valid to

2026-09-07

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1121

Duration

1h 59m

Distance

335 mi, 539 km

Coreshare

AC 3678 /NZ 2671 /SN 8825

Same day flight

Yes

Terminal

Departure: T1 Arrival: T1

Meals

Snack or brunch

Seats

126

First class

Economy

114

07:00

Ontario (ONT) T2

13:10

Chicago (ORD) T1

Boeing 737-800 Passenger

Begins

2026-08-11

Valid to

2026-09-07

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1121

Duration

4h 10m

Distance

1706 mi, 2745 km

Coreshare

Same day flight

Yes

Terminal

Departure: T2 Arrival: T1

Meals

Meal (none specific)

Seats

167

First class

Economy

159

07:00

Ontario (ONT) T2

13:10

Chicago (ORD) T1

Boeing 737-800 Passenger

Begins

2026-09-08

Valid to

2026-09-23

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1121

Duration

4h 10m

Distance

1706 mi, 2745 km

Coreshare

Same day flight

Yes

Terminal

Departure: T2 Arrival: T1

Meals

Meal (none specific)

Seats

167

First class

Economy

159

13:03

Guanacaste (LIR)

19:27

Chicago (ORD) T5

Boeing 737MAX 9 Passenger

Begins

2026-09-26

Valid to

2026-10-24

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 24m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

179

First class

Economy

159

13:01

Guanacaste (LIR)

19:20

Chicago (ORD) T5

Boeing 737-800 Passenger

Operates only

2026-10-31

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 19m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

14:01

Guanacaste (LIR)

19:20

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2026-11-07

Valid to

2026-12-12

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 19m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

12:30

Guanacaste (LIR)

17:49

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2026-12-17

Valid to

2027-01-04

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Saturdays

United Airlines

UAL1121

Duration

5h 19m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

12:15

Guanacaste (LIR)

17:34

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2026-12-19

Valid to

2027-01-02

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 19m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

14:01

Guanacaste (LIR)

19:20

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2027-01-07

Valid to

2027-03-08

sun

mon

tue

wed

thu

fri

sat

Every Monday, Thursday, Friday and Sunday

United Airlines

UAL1121

Duration

5h 19m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

14:06

Guanacaste (LIR)

19:25

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2027-01-09

Valid to

2027-03-06

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 19m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

14:01

Guanacaste (LIR)

19:20

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2027-03-09

Valid to

2027-03-13

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Mondays and Sundays

United Airlines

UAL1121

Duration

5h 19m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

13:01

Guanacaste (LIR)

19:20

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2027-03-14

Valid to

2027-03-27

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1121

Duration

5h 19m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

13:03

Guanacaste (LIR)

19:30

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2027-03-28

Valid to

2027-05-01

sun

mon

tue

wed

thu

fri

sat

Saturdays and Sundays

United Airlines

UAL1121

Duration

5h 27m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

13:03

Guanacaste (LIR)

19:30

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2027-05-08

Valid to

2027-05-22

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 27m

Distance

2185 mi, 3516 km

Coreshare

AV 2133

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

13:03

Guanacaste (LIR)

19:30

Chicago (ORD) T5

Boeing 737-800 Passenger

Begins

2027-05-29

Valid to

2027-06-01

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1121

Duration

5h 27m

Distance

2185 mi, 3516 km

Coreshare

Same day flight

Yes

Terminal

Arrival: T5

Meals

Meal (none specific)

Seats

167

First class

Economy

159

According to schedule

Live tracker

LIR

Guanacaste, CR

left TERMINAL N/A

Guanacaste - LIR

WEDNESDAY 03-JUN-2026

13:03 GMT-0600

ORD

Chicago, US

arrives TERMINAL 5

Chicago - ORD

WEDNESDAY 03-JUN-2026

19:30 GMT-0500

General route info

Frequency:

Daily

Sat

Direct distance

2173 miles, 3497 km

Actual distance

2185 miles, 3516 km

0.55%

Flight time

5h 27m

Flights / Week

1 flights

Seats / Week

179 seats/flight

179 seats/week

Upcoming scheduled flights in the coming 30 days

Date

Time

From

To

Aircraft

Status
Date:

Time:

From:

To:

Aircraft:

Status:

06 Jun 2026

13:03

Guanacaste(LIR)

Chicago(ORD)

Boeing 737MAX 9 Passenger

UA1121
Date:

Time:

From:

To:

Aircraft:

Status:

13 Jun 2026

13:03

Guanacaste(LIR)

Chicago(ORD)

Boeing 737MAX 9 Passenger

UA1121
Date:

Time:

From:

To:

Aircraft:

Status:

20 Jun 2026

13:03

Guanacaste(LIR)

Chicago(ORD)

Boeing 737MAX 9 Passenger

UA1121
Date:

Time:

From:

To:

Aircraft:

Status:

27 Jun 2026

13:03

Guanacaste(LIR)

Chicago(ORD)

Boeing 737-900 Passenger

UA1121

UAL1121 information

An international route departing from Guanacaste (LIR), Costa Rica and arriving at Chicago (ORD), USA.

The timezone of the departure airport is UTC -6, and the timezone of the arrival airport is UTC -5.

The current time at the point of departure is 7:13pm, and 8:13pm at the point of arrival. There is a 1 hour time difference between the airports.

The flight distance is 2185 miles, or 3516 km.

For direct flights, the flight time is about 5:27.

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United Airlines

UAL1121 / UA1121

Flight schedule

General route info

Frequency:

Direct distance

Actual distance

Flight time

Flights / Week

Seats / Week

Upcoming scheduled flights in the coming 30 days

UAL1121 information

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Popular Airports

Popular Airlines

United Airlines

UAL1121 / UA1121

Flight schedule

General route info

Frequency:

Direct distance

Actual distance

Flight time

Flights / Week

Seats / Week

Upcoming scheduled flights in the coming 30 days

UAL1121 information

Guanacaste (LIR) Flight Deals

Guanacaste Hotel Deals

Guanacaste (LIR) Rental Cars

Guanacaste (LIR) Parking

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