ALO

Waterloo Regional Airport

ICAO KALO42.5571°N 92.4003°W873 ft / 266 mMedium airport
On the map
ALO-FAA diagram
National Aeronautical Charting Office (NACO), a department of the Federal Aviation Administration (FAA). · Public domain · Commons

Waterloo Regional Airport (IATA: ALO, ICAO: KALO) is a medium airport in Waterloo, Iowa, United States. It opened in 1946. It has 2 runways; the longest is 8,399 ft (2,560 m). It is operated by Waterloo. In 2025 it handled 41 thousand passengers.

Timeline

1 event · 1946–1946
1946
OpenedWaterloo Regional Airport opens.

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
12/30128° / 308° · LIT
LENGTH8,399 ft2,560 mWIDTH150 ft46 mSURFACEAsphalt
18/36188° / 008° · LIT
LENGTH6,003 ft1,830 mWIDTH150 ft46 mSURFACEAsphalt

Passengers per year

2015–2025
53K
53K
54K
48K
47K
14K
29K
34K
26K
41K
15161718192021222425

Routes

1 destinations · 1 country

Straight lines are great circles; rings mark true distance from ALO. From the Wikipedia article “Waterloo Regional Airport” (revision of 8 Aug 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers41K (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#2,162of 3,974 · #496 North America · #337 USLongest runway8,399 ft2,560 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=2,188of 29,823 · #484 North America · #361 USElevation873 ft266 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft=19,985of 43,341 · =9,194 North America · =7,496 USAgeOpened 19462026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=2,744of 15,079 · =1,680 North America · =1,626 USRunways21 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=713of 29,943 · =435 North America · =391 US
Scale: 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

8 channels
A/DAPP/DEP118.900
ATISATIS120.650
CTAFCTAF118.100
GNDGND121.900
OPSARNG OPS36.700
RDOFORT DODGE RDO122.050
TWRTWR118.100
UNICUNICOM122.950