| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Thu,Sun
06:00
Denver (DEN)
09:43
Chicago O'Hare (ORD) Y4 2578 Non-stop Airbus A321 (321) 2:43 Effective 2026-03-08 through 2026-03-29 Codeshare flight, operated by Frontier Airlines.(F9) |
| Fri
08:24
Denver (DEN)
11:58
Chicago O'Hare (ORD) Y4 2578 Non-stop Airbus A320 (320) 2:34 Effective 2026-02-13 through 2026-02-20 Codeshare flight, operated by Frontier Airlines.(F9) |
| Fri
09:41
Denver (DEN)
13:25
Chicago O'Hare (ORD) Y4 2578 Non-stop Airbus A320 (320) 2:44 Operates only on 2026-02-27 Codeshare flight, operated by Frontier Airlines.(F9) |
| Sun
17:17
Denver (DEN)
20:57
Chicago O'Hare (ORD) Y4 2578 Non-stop Airbus A321 (321) 2:40 Operates only on 2026-01-11 Codeshare flight, operated by Frontier Airlines.(F9) |
| Fri
19:26
Denver (DEN)
22:56
Chicago O'Hare (ORD) Y4 2578 Non-stop Airbus A321 (321) 2:30 Operates only on 2026-01-09 Codeshare flight, operated by Frontier Airlines.(F9) |