Flight
UAL1121 29 Mar 2026
UAL1121, operated by United Airlines, on 29 Mar 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2partial
PlaneTrack receiver network| Route | KDPA DU PAGE → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 19:00 CDT 28 Mar |
| Aircraft | N37556 |
| Max altitude | 34,000 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KONT ONTARIO INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 15:22 PDT |
| Last seen | 18:44 CDT |
| Duration | 1h 21m |
| Aircraft | A12F73 |
| Max altitude | 32,000 ft |
| Distance tracked | 1,474 nm |
Punctuality, last 30 days
No completed UAL1121 departures with FAA schedule times in the last 30 days.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.