Flight
UPS1143 21 May 2026
UPS1143, operated by United Parcel Service, on 21 May 2026: Buffalo Niagara International (KBUF) to Louisville Muhammad Ali International Airport (KSDF). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KBUF BUFFALO NIAGARA INTERNATIONAL → KSDF Louisville Muhammad Ali International Airport |
| Status | Completed (receiver network) |
| First seen airborne | 22:42 EDT 20 May |
| Last seen | 00:06 EDT |
| Duration | 1h 23m |
| Aircraft | N174UP |
| Max altitude | 34,000 ft |
| Distance tracked | 428 nm |
Punctuality, last 30 days
| Flights | 5 |
| On time | 5 (100%) |
| Average delay | +4 min |
| Worst delay | +9 min |
In the last 30 days UPS1143 departed on time (within 15 minutes) on 5 of 5 flights (100%), with an average departure delay of +4 min and a worst delay of +9 min.
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.