UAL1666

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Cincinnati Northern Kentucky International Airport (CVG) — Cincinnati / Covington, United States

Est. departure time

2026-09-09 11:53 UTC (approx.)

Arrival

Denver International Airport (DEN) — Denver, United States

Distance flown

1925 km

Straight-line distance

1716 km

Approach distance

69 km

Aircraft

Registration

N45440

Type

Boeing 737-900

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

Altitude & speed

Max altitude

34,025 ft

Max ground speed

453 kt

Tracked

2h 42m · 1,842 km

Altitude (ft, max 34,025)

Ground speed (kt, max 453)

Altitude (ft, max 34,025)

Ground speed (kt, max 453)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 12:12 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N17433	Boeing 737 MAX 9	In progress	~1716 km est.
2026-10-02 12:31 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N37450	Boeing 737 MAX 9	Completed	1858 km
2026-10-01 12:19 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N17465	Boeing 737 MAX 9	Completed	1810 km
2026-09-30 12:14 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N47512	Boeing 737 MAX 9	Completed	1868 km
2026-09-29 12:13 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N97424	Boeing 737 MAX 9	Completed	1860 km
2026-09-28 12:12 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N57416	Boeing 737 MAX 9	Completed	1853 km
2026-09-27 12:13 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N17433	Boeing 737 MAX 9	Completed	1827 km
2026-09-26 12:15 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N17432	Boeing 737 MAX 9	Completed	1842 km
2026-09-25 12:16 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N37508	Boeing 737 MAX 9	Completed	1823 km
2026-09-24 12:05 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N17593	Boeing 737 MAX 9	Completed	1830 km
2026-09-23 12:17 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N37427	Boeing 737-900	Completed	1829 km
2026-09-22 12:05 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N57439	Boeing 737-900	Completed	1861 km
2026-09-21 12:18 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N39423	Boeing 737-900	Completed	1909 km
2026-09-20 12:23 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N39418	Boeing 737-900	Completed	1996 km
2026-09-19 12:30 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N37555	Boeing 737 MAX 9	Completed	1952 km
2026-09-18 12:08 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N53441	Boeing 737-900	Completed	1926 km
2026-09-17 12:21 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N69806	Boeing 737-900	Completed	1940 km
2026-09-16 12:06 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N81449	Boeing 737-900	Completed	2049 km
2026-09-15 12:10 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N62884	Boeing 737-900	Completed	1997 km
2026-09-14 12:13 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N68802	Boeing 737-900	Completed	2040 km
2026-09-13 12:15 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N37466	Boeing 737-900	Completed	1866 km
2026-09-12 12:13 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N75433	Boeing 737-900	Completed	1932 km
2026-09-11 12:13 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N28478	Boeing 737-900	Completed	2004 km
2026-09-10 12:09 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N61886	Boeing 737-900	Completed	1993 km
2026-09-09 12:10 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N45440	Boeing 737-900	Completed	1925 km
2026-09-08 12:07 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N28478	Boeing 737-900	Incomplete (signal lost)	~1854 km est. (932 km recorded)
2026-09-07 12:11 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N67815	Boeing 737-900	Completed	1913 km
2026-09-06 12:15 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N38446	Boeing 737-900	Completed	2027 km
2026-09-05 12:44 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N27421	Boeing 737-900	Completed	1875 km
2026-09-04 12:14 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N67845	Boeing 737-900	Completed	1872 km
2026-09-03 12:07 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N67845	Boeing 737-900	Completed	1949 km
2026-09-02 12:04 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N37413	Boeing 737-900	Completed	1944 km
2026-09-01 12:10 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N68801	Boeing 737-900	Completed	1930 km
2026-08-31 11:59 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N62896	Boeing 737-900	Completed	2029 km
2026-08-30 12:00 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N57439	Boeing 737-900	Completed	1820 km
2026-08-29 11:59 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N62894	Boeing 737-900	Completed	2035 km
2026-08-28 12:09 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N69813	Boeing 737-900	Completed	1835 km
2026-08-27 12:05 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N66808	Boeing 737-900	Completed	1912 km
2026-08-26 12:12 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N69813	Boeing 737-900	Completed	1885 km
2026-08-25 12:03 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N67846	Boeing 737-900	Completed	1920 km
2026-08-24 12:16 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N62889	Boeing 737-900	Completed	1923 km
2026-08-23 12:06 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N68843	Boeing 737-900	Completed	2632 km
2026-08-22 12:03 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N69840	Boeing 737-900	Completed	2683 km
2026-08-21 12:06 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N68823	Boeing 737-900	Completed	2491 km
2026-08-20 12:06 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N37464	Boeing 737-900	Completed	2793 km
2026-08-19 12:11 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N37419	Boeing 737-900	Completed	4222 km
2026-08-18 12:00 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N45440	Boeing 737-900	Completed	4476 km
2026-08-17 14:42 UTC	UAL1666	BFK → DEN Aurora → Denver	N69816	Boeing 737-900	Completed	131 km
2026-08-17 12:07 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N69816	Boeing 737-900	Completed	5586 km
2026-08-16 12:08 UTC	UAL1666	CVG → DEN Cincinnati / Covington → Denver	N68836	Boeing 737-900	Completed	~3486 km est. (2770 km recorded)