✈ Spire Tail-Tracer

‹ Aircraft

N421UP / A50126

107 flights over 42 days · 2.55 legs/day · base KSDF · Louisville · operators: UPS

107
Flights
41
Airports served
8%
ADS-B observed
0
Ferry / no-flightnum

Aircraft identity

757-24APF B752
United Parcel Service · reg N421UP · built 1991
Boeing · P & W PW2040 · free OpenSky data

Rotation map · last 14 days of legs

Daily rotations

2026-06-23 2 legs round-trip UPS
KSDF → KJAN → KSDF
KSDF→ KJAN KSDF · Louisville → KJAN · Jackson UPS1392 · 5X1392 · sched Z
KICT→ KSDF KICT · Wichita → KSDF · Louisville ⚠ gap UPS671 · 5X671 · sched Z
2026-06-20 2 legs UPS
KGEG → KSDF → KICT
KGEG→ KSDF KGEG · Spokane → KSDF · Louisville UPS993 · 5X993 · sched Z
KSDF→ KICT KSDF · Louisville → KICT · Wichita UPS672 · 5X672 · sched Z
2026-06-19 3 legs round-trip UPS
KGEG → KONT → KGEG → KGEG
KGEG→ KONT KGEG · Spokane → KONT · Ontario UPS991 · 5X991 · sched Z
KONT→ KGEG KONT · Ontario → KGEG · Spokane UPS992 · 5X992 · sched Z
KPDX→ KGEG KPDX · Portland → KGEG · Spokane ⚠ gap UPS2980 · 5X2980 · sched Z
2026-06-18 4 legs UPS
KONT → KBOI → KDFW → KMHR → KPDX
KONT→ KBOI KONT · Ontario → KBOI · Boise UPS834 · 5X834 · sched Z
KMHR→ KDFW KMHR · Sacramento → KDFW · Dallas-Fort Worth ⚠ gap UPS5833 · 5X5833 · sched Z
KBOI→ KMHR KBOI · Boise → KMHR · Sacramento ⚠ gap UPS5833 · 5X5833 · sched Z
KDFW→ KPDX KDFW · Dallas-Fort Worth → KPDX · Portland ⚠ gap UPS2980 · 5X2980 · sched Z
2026-06-17 5 legs UPS
KPDX → KONT → KONT → KBFI → KPDX → KRFD
KPDX→ KONT KPDX · Portland → KONT · Ontario UPS9778 · 5X9778 · sched Z
KBFI→ KONT KBFI · Seattle → KONT · Ontario ⚠ gap UPS2983 · 5X2983 · sched Z
KRFD→ KBFI KRFD · Chicago/Rockford → KBFI · Seattle ⚠ gap UPS988 · 5X988 · sched Z
KONT→ KPDX KONT · Ontario → KPDX · Portland ⚠ gap UPS2972 · 5X2972 · sched Z
KSTL→ KRFD KSTL · St Louis → KRFD · Chicago/Rockford ⚠ gap UPS633 · 5X633 · sched Z
2026-06-16 2 legs round-trip UPS
KSTL → KRFD → KSTL
KSTL→ KRFD KSTL · St Louis → KRFD · Chicago/Rockford UPS633 · 5X633 · ⏱ 03:32– (Nonem)
KRFD→ KSTL KRFD · Chicago/Rockford → KSTL · St Louis UPS634 · 5X634 · sched Z
2026-06-13 2 legs round-trip UPS
KSDF → KSTL → KSDF
KSDF→ KSTL KSDF · Louisville → KSTL · St Louis UPS636 · 5X636 · sched Z
KMFE→ KSDF KMFE · McAllen → KSDF · Louisville ⚠ gap UPS795 · 5X795 · sched Z
2026-06-12 3 legs UPS
KRSW → KPNS → KMFE → KSDF
KRSW→ KPNS KRSW · Fort Myers → KPNS · Pensacola UPS1347 · 5X1347 · sched Z
KSDF→ KMFE KSDF · Louisville → KMFE · McAllen ⚠ gap UPS796 · 5X796 · sched Z
KPNS→ KSDF KPNS · Pensacola → KSDF · Louisville ⚠ gap UPS1347 · 5X1347 · sched Z
2026-06-11 3 legs UPS
KORD → KPHL → KJAX → KRSW
KORD→ KPHL KORD · Chicago → KPHL · Philadelphia UPS609 · 5X609 · sched Z
KPHL→ KJAX KPHL · Philadelphia → KJAX · Jacksonville UPS1316 · 5X1316 · sched Z
KJAX→ KRSW KJAX · Jacksonville → KRSW · Fort Myers UPS1316 · 5X1316 · sched Z
2026-06-10 2 legs UPS
KRDU → KPHL → KORD
KRDU→ KPHL KRDU · Raleigh/Durham → KPHL · Philadelphia UPS9304 · 5X9304 · ⏱ 01:32– (Nonem)
KPHL→ KORD KPHL · Philadelphia → KORD · Chicago UPS610 · 5X610 · sched Z
2026-06-09 2 legs UPS
KCID → KSDF → KRDU
KCID→ KSDF KCID · Cedar Rapids → KSDF · Louisville UPS525 · 5X525 · sched Z
KSDF→ KRDU KSDF · Louisville → KRDU · Raleigh/Durham UPS1278 · 5X1278 · sched Z
2026-06-06 2 legs UPS
KJAN → KSDF → KCID
KJAN→ KSDF KJAN · Jackson → KSDF · Louisville UPS1391 · 5X1391 · sched Z
KSDF→ KCID KSDF · Louisville → KCID · Cedar Rapids UPS524 · 5X524 · sched Z
2026-06-05 2 legs round-trip UPS
KSDF → KJAN → KSDF
KSDF→ KJAN KSDF · Louisville → KJAN · Jackson UPS1392 · 5X1392 · sched Z
KSNA→ KSDF KSNA · Santa Ana → KSDF · Louisville ⚠ gap UPS913 · 5X913 · sched Z
2026-06-04 5 legs UPS
KBFI → KSDF → KBFI → KDEN → KSNA → KSDF
KBFI→ KSDF KBFI · Seattle → KSDF · Louisville UPS2989 · 5X2989 · ⏱ 12:50– (Nonem)
KDEN→ KBFI KDEN · Denver → KBFI · Seattle ⚠ gap UPS990 · 5X990 · sched Z
KSDF→ KDEN KSDF · Louisville → KDEN · Denver ⚠ gap UPS990 · 5X990 · sched Z
KSDF→ KSNA KSDF · Louisville → KSNA · Santa Ana ⚠ gap UPS5922 · 5X5922 · sched Z
KCAE→ KSDF KCAE · Columbia → KSDF · Louisville ⚠ gap UPS1291 · 5X1291 · sched Z
2026-06-03 3 legs UPS
KORF → KRIC → KCAE → KPHL
KORF→ KRIC KORF · Norfolk → KRIC · Richmond UPS1233 · 5X1233 · sched Z
KPHL→ KCAE KPHL · Philadelphia → KCAE · Columbia ⚠ gap UPS1198 · 5X1198 · sched Z
KRIC→ KPHL KRIC · Richmond → KPHL · Philadelphia ⚠ gap UPS1233 · 5X1233 · sched Z
2026-06-02 3 legs round-trip UPS
KRIC → KORF → KPHL → KRIC
KRIC→ KORF KRIC · Richmond → KORF · Norfolk UPS1234 · 5X1234 · sched Z
KCLE→ KPHL KCLE · Cleveland → KPHL · Philadelphia ⚠ gap UPS1445 · 5X1445 · sched Z
KPHL→ KRIC KPHL · Philadelphia → KRIC · Richmond UPS1234 · 5X1234 · sched Z
2026-05-29 2 legs round-trip UPS
KRFD → KCLE → KRFD
KRFD→ KCLE KRFD · Chicago/Rockford → KCLE · Cleveland UPS1446 · 5X1446 · sched Z
KMCI→ KRFD KMCI · Kansas City → KRFD · Chicago/Rockford ⚠ gap UPS673 · 5X673 · sched Z
2026-05-28 5 legs round-trip UPS
KRFD → KOMA → KSTL → KRFD → KMCI → KRFD
KRFD→ KOMA KRFD · Chicago/Rockford → KOMA · Omaha UPS682 · 5X682 · sched Z
KRFD→ KSTL KRFD · Chicago/Rockford → KSTL · St Louis ⚠ gap UPS9302 · 5X9302 · sched Z
KSTL→ KRFD KSTL · St Louis → KRFD · Chicago/Rockford UPS633 · 5X633 · sched Z
KRFD→ KMCI KRFD · Chicago/Rockford → KMCI · Kansas City UPS5674 · 5X5674 · sched Z
KOMA→ KRFD KOMA · Omaha → KRFD · Chicago/Rockford ⚠ gap UPS2671 · 5X2671 · sched Z
2026-05-27 2 legs round-trip UPS
KMDT → KRFD → KMDT
KMDT→ KRFD KMDT · Harrisburg → KRFD · Chicago/Rockford UPS1173 · 5X1173 · ⏱ 03:15– (Nonem)
KPHL→ KMDT KPHL · Philadelphia → KMDT · Harrisburg ⚠ gap UPS9305 · 5X9305 · sched Z
2026-05-26 1 legs UPS
KSDF → KPHL
KSDF→ KPHL KSDF · Louisville → KPHL · Philadelphia UPS4184 · 5X4184 · sched Z
2026-05-23 1 legs UPS
KFAR → KSDF
KFAR→ KSDF KFAR · Fargo → KSDF · Louisville UPS581 · 5X581 · sched Z
2026-05-22 2 legs round-trip UPS
KSDF → KFAR → KSDF
KSDF→ KFAR KSDF · Louisville → KFAR · Fargo UPS582 · 5X582 · sched Z
KSGF→ KSDF KSGF · Springfield → KSDF · Louisville ⚠ gap UPS651 · 5X651 · sched Z
2026-05-21 3 legs round-trip UPS
KPNS → KSDF → KSGF → KPNS
KPNS→ KSDF KPNS · Pensacola → KSDF · Louisville UPS1347 · 5X1347 · sched Z
KSDF→ KSGF KSDF · Louisville → KSGF · Springfield UPS652 · 5X652 · sched Z
KRSW→ KPNS KRSW · Fort Myers → KPNS · Pensacola ⚠ gap UPS1347 · 5X1347 · sched Z
2026-05-20 3 legs UPS
KRDU → KPHL → KJAX → KRSW
KRDU→ KPHL KRDU · Raleigh/Durham → KPHL · Philadelphia UPS1273 · 5X1273 · ⏱ 02:02–03:06 (64m)
KPHL→ KJAX KPHL · Philadelphia → KJAX · Jacksonville UPS1316 · 5X1316 · ⏱ 07:30– (Nonem)
KJAX→ KRSW KJAX · Jacksonville → KRSW · Fort Myers UPS1316 · 5X1316 · sched Z
2026-05-19 2 legs UPS
KMHT → KPHL → KRDU
KMHT→ KPHL KMHT · Manchester → KPHL · Philadelphia UPS1055 · 5X1055 · ⏱ 01:40– (Nonem)
KPHL→ KRDU KPHL · Philadelphia → KRDU · Raleigh/Durham UPS1274 · 5X1274 · sched Z
2026-05-18 1 legs UPS
KALB → KMHT
KALB→ KMHT KALB · Albany → KMHT · Manchester UPS1124 · 5X1124 · sched Z
2026-05-16 3 legs round-trip UPS
KPNS → KSDF → KALB → KPNS
KPNS→ KSDF KPNS · Pensacola → KSDF · Louisville UPS1347 · 5X1347 · sched Z
KSDF→ KALB KSDF · Louisville → KALB · Albany UPS1124 · 5X1124 · sched Z
KRSW→ KPNS KRSW · Fort Myers → KPNS · Pensacola ⚠ gap UPS1347 · 5X1347 · sched Z
2026-05-15 2 legs round-trip UPS
KSDF → KRSW → KSDF
KSDF→ KRSW KSDF · Louisville → KRSW · Fort Myers UPS1348 · 5X1348 · sched Z
KABQ→ KSDF KABQ · Albuquerque → KSDF · Louisville ⚠ gap UPS9307 · 5X9307 · sched Z
2026-05-07 3 legs UPS
KBOS → KSDF → KBOS → KABQ
KBOS→ KSDF KBOS · Boston → KSDF · Louisville UPS9853 · 5X9853 · sched Z
KSDF→ KBOS KSDF · Louisville → KBOS · Boston UPS1016 · 5X1016 · sched Z
KSDF→ KABQ KSDF · Louisville → KABQ · Albuquerque ⚠ gap UPS2870 · 5X2870 · sched Z
2026-05-06 1 legs UPS
KPNS → KSDF
KPNS→ KSDF KPNS · Pensacola → KSDF · Louisville UPS9502 · 5X9502 · sched Z
2026-04-07 2 legs round-trip UPS
KRDU → KPNS → KRDU
KRDU→ KPNS KRDU · Raleigh/Durham → KPNS · Pensacola UPS9503 · 5X9503 · sched Z
KSDF→ KRDU KSDF · Louisville → KRDU · Raleigh/Durham ⚠ gap UPS1278 · 5X1278 · sched Z
2026-04-04 1 legs UPS
KMFE → KSDF
KMFE→ KSDF KMFE · McAllen → KSDF · Louisville UPS9318 · 5X9318 · sched Z
2026-04-03 2 legs round-trip UPS
KSDF → KMFE → KSDF
KSDF→ KMFE KSDF · Louisville → KMFE · McAllen UPS796 · 5X796 · sched Z
KSAV→ KSDF KSAV · Savannah → KSDF · Louisville ⚠ gap UPS1315 · 5X1315 · sched Z
2026-04-02 3 legs round-trip UPS
KSDF → KSAV → KSAT → KSDF
KSDF→ KSAV KSDF · Louisville → KSAV · Savannah UPS1314 · 5X1314 · sched Z
KLRD→ KSAT KLRD · Laredo → KSAT · San Antonio ⚠ gap UPS781 · 5X781 · sched Z
KSAT→ KSDF KSAT · San Antonio → KSDF · Louisville UPS781 · 5X781 · sched Z
2026-04-01 4 legs UPS
KCAE → KSDF → KSAT → KLRD → KDFW
KCAE→ KSDF KCAE · Columbia → KSDF · Louisville UPS1291 · 5X1291 · sched Z
KDFW→ KSAT KDFW · Dallas-Fort Worth → KSAT · San Antonio ⚠ gap UPS780 · 5X780 · sched Z
KSAT→ KLRD KSAT · San Antonio → KLRD · Laredo UPS780 · 5X780 · sched Z
KSDF→ KDFW KSDF · Louisville → KDFW · Dallas-Fort Worth ⚠ gap UPS780 · 5X780 · sched Z
2026-03-31 2 legs UPS
KPHL → KCAE → KVAY
KPHL→ KCAE KPHL · Philadelphia → KCAE · Columbia UPS1198 · 5X1198 · ⏱ 07:35–08:51 (76m)
KMHT→ KVAY KMHT · Manchester → KVAY · Lumberton ⚠ gap UPS1055 · 5X1055 · sched Z
2026-03-29 2 legs UPS
KSDF → KALB → KMHT
KSDF→ KALB KSDF · Louisville → KALB · Albany UPS1124 · 5X1124 · sched Z
KALB→ KMHT KALB · Albany → KMHT · Manchester UPS1124 · 5X1124 · sched Z
2026-03-28 1 legs UPS
KABY → KSDF
KABY→ KSDF KABY · Albany → KSDF · Louisville UPS1365 · 5X1365 · sched Z
2026-03-27 4 legs UPS
KRDU → KPHL → KJAX → KRSW → KABY
KRDU→ KPHL KRDU · Raleigh/Durham → KPHL · Philadelphia UPS1273 · 5X1273 · sched Z
KPHL→ KJAX KPHL · Philadelphia → KJAX · Jacksonville UPS1316 · 5X1316 · sched Z
KJAX→ KRSW KJAX · Jacksonville → KRSW · Fort Myers UPS1316 · 5X1316 · sched Z
KRSW→ KABY KRSW · Fort Myers → KABY · Albany UPS9748 · 5X9748 · sched Z
2026-03-26 3 legs UPS
KORF → KRIC → KRDU → KPHL
KORF→ KRIC KORF · Norfolk → KRIC · Richmond UPS1233 · 5X1233 · sched Z
KPHL→ KRDU KPHL · Philadelphia → KRDU · Raleigh/Durham ⚠ gap UPS1274 · 5X1274 · sched Z
KRIC→ KPHL KRIC · Richmond → KPHL · Philadelphia ⚠ gap UPS1233 · 5X1233 · sched Z
2026-03-25 3 legs UPS
KPHL → KRIC → KPHL → KORF
KPHL→ KRIC KPHL · Philadelphia → KRIC · Richmond UPS1234 · 5X1234 · ⏱ 07:32– (Nonem)
KTPA→ KPHL KTPA · Tampa → KPHL · Philadelphia ⚠ gap UPS1351 · 5X1351 · sched Z
KRIC→ KORF KRIC · Richmond → KORF · Norfolk ⚠ gap UPS1234 · 5X1234 · sched Z
2026-03-24 4 legs UPS
KRNO → KSDF → KFAR → KTPA → KDFW
KRNO→ KSDF KRNO · Reno → KSDF · Louisville UPS895 · 5X895 · sched Z
KSDF→ KFAR KSDF · Louisville → KFAR · Fargo UPS582 · 5X582 · sched Z
KDFW→ KTPA KDFW · Dallas-Fort Worth → KTPA · Tampa ⚠ gap UPS5358 · 5X5358 · sched Z
KFAR→ KDFW KFAR · Fargo → KDFW · Dallas-Fort Worth ⚠ gap UPS7891 · 5X7891 · sched Z