| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Tue
08:00
Houston George Bush (IAH)
10:49
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A320 (320) 2:49 Operates only on 2026-01-06 Codeshare flight, operated by Frontier Airlines.(F9) |
| Mon
09:51
Houston George Bush (IAH)
12:37
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:46 Operates only on 2026-02-16 Codeshare flight, operated by Frontier Airlines.(F9) |
| Fri,Sun
10:26
Houston George Bush (IAH)
13:20
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:54 Effective 2026-01-16 through 2026-01-18 Codeshare flight, operated by Frontier Airlines.(F9) |
| Fri
10:26
Houston George Bush (IAH)
13:20
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:54 Effective 2026-02-13 through 2026-02-20 Codeshare flight, operated by Frontier Airlines.(F9) |
| Thu
11:17
Houston George Bush (IAH)
14:05
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:48 Effective 2026-02-12 through 2026-02-26 Codeshare flight, operated by Frontier Airlines.(F9) |
| Thu,Fri,Sun
11:17
Houston George Bush (IAH)
14:05
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:48 Effective 2026-02-27 through 2026-03-05 Codeshare flight, operated by Frontier Airlines.(F9) |
| Sun
11:47
Houston George Bush (IAH)
14:35
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:48 Effective 2026-02-15 through 2026-02-22 Codeshare flight, operated by Frontier Airlines.(F9) |
| Mon
11:52
Houston George Bush (IAH)
14:40
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:48 Effective 2026-02-23 through 2026-03-02 Codeshare flight, operated by Frontier Airlines.(F9) |
| Sat
12:24
Houston George Bush (IAH)
15:17
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:53 Effective 2026-02-14 through 2026-02-28 Codeshare flight, operated by Frontier Airlines.(F9) |
| Thu
12:26
Houston George Bush (IAH)
15:12
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A320 (320) 2:46 Operates only on 2026-01-08 Codeshare flight, operated by Frontier Airlines.(F9) |
| Fri
12:31
Houston George Bush (IAH)
15:24
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:53 Effective 2026-01-23 through 2026-02-06 Codeshare flight, operated by Frontier Airlines.(F9) |
| Sun
16:40
Houston George Bush (IAH)
19:40
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 3:00 Operates only on 2026-01-11 Codeshare flight, operated by Frontier Airlines.(F9) |
| Sat
19:55
Houston George Bush (IAH)
22:45
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A320 (320) 2:50 Valid until 2026-01-03 Codeshare flight, operated by Frontier Airlines.(F9) |
| Sun
20:36
Houston George Bush (IAH)
23:29
Chicago O'Hare (ORD) Y4 2565 Non-stop Airbus A321 (321) 2:53 Effective 2026-01-25 through 2026-02-08 Codeshare flight, operated by Frontier Airlines.(F9) |