UIN
Quincy Regional Airport Baldwin Field

Quincy Regional Airport Baldwin Field (IATA: UIN, ICAO: KUIN) is a medium airport in Quincy, Illinois, United States. It opened in Apr 1947. It has 2 runways; the longest is 7,098 ft (2,164 m). In 2024 it handled 8 thousand passengers.
Timeline
2 events · 1947–1996APR 1947
OpenedQuincy Regional Airport Baldwin Field opens.
19 NOV 1996
DisasterUnited Express Flight 5925.14 killed
From Wikidata · FAAEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF04/22040° / 220° · LIT
LENGTH7,098 ft2,164 mWIDTH150 ft46 mSURFACEAsphalt
13/31135° / 315° · LIT
LENGTH5,397 ft1,645 mWIDTH150 ft46 mSURFACEAsphalt
Passengers per year
2015–202418K
15K
15K
29K
20K
10K
15K
9K
9K
8K
15161718192021222324
Routes
2 destinations · 1 countryStraight lines are great circles; rings mark true distance from UIN. From the Wikipedia article “Quincy Regional Airport” (revision of 9 Aug 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
4 channelsASOSASOS118.325
CNTRKANSAS CITY CNTR135.525
RDOST LOUIS RDO122.500
UNICCTAF/UNICOM123.000