United Airlines flight UA 1859: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Mon,Sun 06:00 New York LaGuardia (LGA) B 09:23 Houston George Bush (IAH) C UA 1859 Non-stop Boeing 737-800 (738) 4:23 Effective 2026-01-04 through 2026-01-05
Daily 06:00 Pittsburgh (PIT) 08:18 Houston George Bush (IAH) C UA 1859 Non-stop Boeing 737 MAX 9 (7M9) 3:18 Effective 2026-03-29 through 2026-05-20
Daily 06:10 Pittsburgh (PIT) 08:32 Houston George Bush (IAH) C UA 1859 Non-stop Airbus A319 (319) 3:22 Effective from 2026-05-21
Daily 08:00 Philadelphia (PHL) D 10:56 Houston George Bush (IAH) C UA 1859 Non-stop Boeing 737-900 (739) 3:56 Effective 2026-02-12 through 2026-03-04
Mon-Wed,Fri,Sat 09:57 Orlando (MCO) B 12:05 Chicago O'Hare (ORD) 1 UA 1859 Non-stop Boeing 737-800 (738) 3:08 Valid until 2026-01-03
Daily 12:00 Houston George Bush (IAH) C 13:08 Austin (AUS) UA 1859 Non-stop Boeing 737-900 (739) 1:08 Effective 2026-03-29 through 2026-04-29
Wed 12:05 Houston George Bush (IAH) C 13:09 Austin (AUS) UA 1859 Non-stop Boeing 737-700 (73G) 1:04 Operates only on 2026-02-04
Sat 12:05 Houston George Bush (IAH) C 13:08 Austin (AUS) UA 1859 Non-stop Boeing 737-900 (739) 1:03 Effective 2026-02-14 through 2026-02-28
Sun 12:05 Houston George Bush (IAH) C 13:08 Austin (AUS) UA 1859 Non-stop Boeing 737-800 (738) 1:03 Effective 2026-02-15 through 2026-03-01
Mon 12:05 Houston George Bush (IAH) C 13:09 Austin (AUS) UA 1859 Non-stop Boeing 737 MAX 9 (7M9) 1:04 Effective 2026-03-09 through 2026-03-23
Mon,Tue,Thu,Fri 12:10 Houston George Bush (IAH) C 13:13 Austin (AUS) UA 1859 Non-stop Boeing 737-800 (738) 1:03 Effective 2026-02-12 through 2026-03-03
Wed 12:10 Houston George Bush (IAH) C 13:13 Austin (AUS) UA 1859 Non-stop Airbus A319 (319) 1:03 Effective 2026-02-18 through 2026-03-04
Tue-Fri,Sun 12:10 Houston George Bush (IAH) C 13:14 Austin (AUS) UA 1859 Non-stop Boeing 737 MAX 8 (7M8) 1:04 Effective 2026-03-05 through 2026-03-27
Daily 12:10 Houston George Bush (IAH) C 13:09 Austin (AUS) UA 1859 Non-stop Boeing 737-900 (739) 0:59 Effective 2026-04-30 through 2026-05-20
Daily 12:10 Houston George Bush (IAH) C 13:09 Austin (AUS) UA 1859 Non-stop Boeing 737-800 (738) 0:59 Effective from 2026-05-21
Sun 12:11 Houston George Bush (IAH) C 13:15 Austin (AUS) UA 1859 Non-stop Boeing 737-800 (738) 1:04 Operates only on 2026-02-01
Daily 12:15 Houston George Bush (IAH) C 13:19 Austin (AUS) UA 1859 Non-stop Boeing 737-800 (738) 1:04 Effective 2026-01-06 through 2026-01-31
Mon,Tue,Thu-Sun 12:15 Houston George Bush (IAH) C 13:19 Austin (AUS) UA 1859 Non-stop Boeing 737-800 (738) 1:04 Effective 2026-02-02 through 2026-02-10
Wed 12:15 Houston George Bush (IAH) C 13:19 Austin (AUS) UA 1859 Non-stop Boeing 737-800 (738) 1:04 Operates only on 2026-02-11
Non-Direct Flights:
Daily 06:00 Pittsburgh (PIT) 13:08 Austin (AUS) UA 1859 1-stop Boeing 737 MAX 9 (7M9) 8:08 Effective 2026-03-29 through 2026-04-29
Daily 06:00 Pittsburgh (PIT) 13:09 Austin (AUS) UA 1859 1-stop Boeing 737 MAX 9 (7M9) 8:09 Effective 2026-04-30 through 2026-05-20
Daily 06:10 Pittsburgh (PIT) 13:09 Austin (AUS) UA 1859 1-stop Airbus A319 (319) 7:59 Effective from 2026-05-21
Mon-Fri 08:00 Philadelphia (PHL) D 13:13 Austin (AUS) UA 1859 1-stop Boeing 737-900 (739) 6:13 Effective 2026-02-12 through 2026-03-04
Sat,Sun 08:00 Philadelphia (PHL) D 13:08 Austin (AUS) UA 1859 1-stop Boeing 737-900 (739) 6:08 Effective 2026-02-14 through 2026-03-01

This flight number is listed as serving the following routes:

Houston George Bush (IAH) - Austin (AUS)
New York LaGuardia (LGA) - Houston George Bush (IAH)
Orlando (MCO) - Chicago O'Hare (ORD)
Philadelphia (PHL) - Austin (AUS)
Philadelphia (PHL) - Houston George Bush (IAH)
Pittsburgh (PIT) - Austin (AUS)
Pittsburgh (PIT) - Houston George Bush (IAH)

All United Airlines flights

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United Airlines flight UA 1859: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA1859

06:00

New York LaGuardia (LGA) B

09:23

Houston George Bush (IAH) C

Effective 2026-01-04 through 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:23, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1859

06:00

Pittsburgh (PIT)

08:18

Houston George Bush (IAH) C

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:18, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1859

06:10

Pittsburgh (PIT)

08:32

Houston George Bush (IAH) C

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:22, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1859

08:00

Philadelphia (PHL) D

10:56

Houston George Bush (IAH) C

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:56, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1859

09:57

Orlando (MCO) B

12:05

Chicago O'Hare (ORD) 1

Valid until 2026-01-03

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 3:08, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1859

12:00

Houston George Bush (IAH) C

13:08

Austin (AUS)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:08, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1859

12:05

Houston George Bush (IAH) C

13:09

Austin (AUS)

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:04, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA1859

12:05

Houston George Bush (IAH) C

13:08

Austin (AUS)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:03, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1859

12:05

Houston George Bush (IAH) C

13:08

Austin (AUS)

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:03, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1859

12:05

Houston George Bush (IAH) C

13:09

Austin (AUS)

Effective 2026-03-09 through 2026-03-23

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1859

12:10

Houston George Bush (IAH) C

13:13

Austin (AUS)

Effective 2026-02-12 through 2026-03-03

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:03, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1859

12:10

Houston George Bush (IAH) C

13:13

Austin (AUS)

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:03, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1859

12:10

Houston George Bush (IAH) C

13:14

Austin (AUS)

Effective 2026-03-05 through 2026-03-27

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:04, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1859

12:10

Houston George Bush (IAH) C

13:09

Austin (AUS)

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 0:59, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1859

12:10

Houston George Bush (IAH) C

13:09

Austin (AUS)

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 0:59, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1859

12:11

Houston George Bush (IAH) C

13:15

Austin (AUS)

Operates only on 2026-02-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:04, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1859

12:15

Houston George Bush (IAH) C

13:19

Austin (AUS)

Effective 2026-01-06 through 2026-01-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:04, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1859

12:15

Houston George Bush (IAH) C

13:19

Austin (AUS)

Effective 2026-02-02 through 2026-02-10

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:04, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1859

12:15

Houston George Bush (IAH) C

13:19

Austin (AUS)

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:04, non-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1859

06:00

Pittsburgh (PIT)

13:08

Austin (AUS)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:08, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA1859

06:00

Pittsburgh (PIT)

13:09

Austin (AUS)

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:09, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA1859

06:10

Pittsburgh (PIT)

13:09

Austin (AUS)

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:59, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1859

08:00

Philadelphia (PHL) D

13:13

Austin (AUS)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 6:13, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA1859

08:00

Philadelphia (PHL) D

13:08

Austin (AUS)

Effective 2026-02-14 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 6:08, 1-stop
Boeing 737-900 (739)

This flight number is listed as serving the following routes:

Houston George Bush (IAH) - Austin (AUS)
New York LaGuardia (LGA) - Houston George Bush (IAH)
Orlando (MCO) - Chicago O'Hare (ORD)
Philadelphia (PHL) - Austin (AUS)
Philadelphia (PHL) - Houston George Bush (IAH)
Pittsburgh (PIT) - Austin (AUS)
Pittsburgh (PIT) - Houston George Bush (IAH)

All United Airlines flights

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