UAL1742

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Sacramento International Airport (SMF) — Sacramento, United States

Departed

2026-09-27 15:23 UTC

Arrival

Washington Dulles International Airport (IAD) — Washington, DC, United States

Distance flown

3896 km

Straight-line distance

3785 km

Approach distance

85 km

Aircraft

Registration

N57480

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First) (typical for type, not this tail)

Altitude & speed

Max altitude

35,025 ft

Max ground speed

526 kt

Tracked

4h 42m · 3,873 km

Altitude (ft, max 35,025)

Ground speed (kt, max 526)

Altitude (ft, max 35,025)

Ground speed (kt, max 526)

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
2026-10-02 15:30 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17455	Boeing 737 MAX 9	Completed	4016 km
2026-10-01 15:31 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17444	Boeing 737 MAX 9	Completed	3973 km
2026-09-30 15:30 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37507	Boeing 737 MAX 9	Completed	3952 km
2026-09-29 15:20 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17468	Boeing 737 MAX 9	Completed	3978 km
2026-09-28 16:02 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N27509	Boeing 737 MAX 9	Completed	3935 km
2026-09-27 15:23 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N57480	Boeing 737 MAX 9	Completed	3896 km
2026-09-26 15:22 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37450	Boeing 737 MAX 9	Completed	3910 km
2026-09-25 15:25 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37450	Boeing 737 MAX 9	Completed	3924 km
2026-09-24 15:34 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17444	Boeing 737 MAX 9	Completed	3932 km
2026-09-23 15:17 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17595	Boeing 737 MAX 9	Completed	3965 km
2026-09-22 15:23 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N77582	Boeing 737 MAX 9	Completed	3936 km
2026-09-21 15:22 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37518	Boeing 737 MAX 9	Completed	3953 km
2026-09-20 15:27 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N77582	Boeing 737 MAX 9	Completed	4105 km
2026-09-19 15:24 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N77582	Boeing 737 MAX 9	Completed	4159 km
2026-09-18 15:36 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37563	Boeing 737 MAX 9	Completed	4273 km
2026-09-17 15:25 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N57416	Boeing 737 MAX 9	Completed	4200 km
2026-09-16 15:28 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17591	Boeing 737 MAX 9	Completed	4191 km
2026-09-15 15:24 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17565	Boeing 737 MAX 9	Completed	4194 km
2026-09-14 15:28 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17465	Boeing 737 MAX 9	Completed	4195 km
2026-09-13 15:18 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N27463	Boeing 737 MAX 9	Completed	4149 km
2026-09-12 15:32 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N97424	Boeing 737 MAX 9	Completed	4239 km
2026-09-11 15:21 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N77552	Boeing 737 MAX 9	Completed	4082 km
2026-09-10 15:35 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37562	Boeing 737 MAX 9	Completed	4340 km
2026-09-09 15:21 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N77426	Boeing 737 MAX 9	Completed	4340 km
2026-09-07 15:17 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17595	Boeing 737 MAX 9	Completed	4159 km
2026-09-06 15:15 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17583	Boeing 737 MAX 9	Completed	4138 km
2026-09-05 15:19 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N77581	Boeing 737 MAX 9	Completed	4109 km
2026-09-04 15:21 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N77587	Boeing 737 MAX 9	Completed	4100 km
2026-09-03 15:14 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17564	Boeing 737 MAX 9	Completed	4104 km
2026-09-02 15:20 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37440	Boeing 737 MAX 9	Completed	4366 km
2026-09-01 15:17 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N27464	Boeing 737 MAX 9	Completed	4056 km
2026-08-31 15:25 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37555	Boeing 737 MAX 9	Completed	4195 km
2026-08-30 15:23 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N57451	Boeing 737 MAX 9	Completed	4439 km
2026-08-29 15:19 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N57451	Boeing 737 MAX 9	Completed	4217 km
2026-08-28 15:23 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N27539	Boeing 737 MAX 9	Completed	4160 km
2026-08-27 15:23 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17427	Boeing 737 MAX 9	Completed	4093 km
2026-08-26 15:16 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37527	Boeing 737 MAX 9	Completed	4174 km
2026-08-25 15:27 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17427	Boeing 737 MAX 9	Completed	4238 km
2026-08-24 17:04 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17435	Boeing 737 MAX 9	Completed	4075 km
2026-08-23 15:18 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17452	Boeing 737 MAX 9	Completed	4210 km
2026-08-22 15:22 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N77426	Boeing 737 MAX 9	Completed	6084 km
2026-08-21 15:43 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37540	Boeing 737 MAX 9	Completed	5500 km
2026-08-20 15:22 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17422	Boeing 737 MAX 9	Completed	7630 km
2026-08-19 15:24 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N37540	Boeing 737 MAX 9	Completed	5996 km
2026-08-18 19:46 UTC	UAL1742	IAD → IAD Washington, DC → Washington, DC	N27546	Boeing 737 MAX 9	Completed	8 km
2026-08-18 15:18 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N27546	Boeing 737 MAX 9	Completed	9279 km
2026-08-17 15:18 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17458	Boeing 737 MAX 9	Completed	5848 km
2026-08-14 15:20 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17414	Boeing 737 MAX 9	Completed	~9803 km est. (5538 km recorded)
2026-08-12 15:22 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17583	Boeing 737 MAX 9	Completed	5922 km
2026-08-11 15:11 UTC	UAL1742	SMF → IAD Sacramento → Washington, DC	N17425	Boeing 737 MAX 9	Completed	5696 km