UA1660 · UAL1660

Schedule for today and the next days

• 2026-10-29 12:45 · Chicago O'Hare International Airport (ORD/KORD) → Seattle–Tacoma International Airport (SEA/KSEA)

Scheduled times from airport boards, in local time. Actual departures and arrivals are measured by the map.flights network. Letištní tabule: Airport Authority Hong Kong / DATA.GOV.HK, Dubai Airports, Chicago Department of Aviation, Hobart Airport, Wellington Airport, Hamad International Airport

UAL1660 over the last 30 days

As of 2026-10-28

UAL1660 is operated by United Airlines on the route Seattle–Tacoma International Airport (SEA/KSEA) → George Bush Intercontinental Airport (IAH/KIAH). It usually takes off around 00:14 UTC (17:14 local time, SEA). It usually lands around 04:02 UTC (23:02 local time, IAH). Most frequent aircraft type: BOEING 737-800 (B738).

Days with an observed flight (last 30 days)

29/30

Days of the week with an observed flight

Tue, Wed, Thu, Sat, Sun

Typical take-off

00:14 UTC · 17:14 local time (SEA)

Typical landing

04:02 UTC · 23:02 local time (IAH)

Typical time airborne

225 min

Median departure deviation from the usual time on this route

+4 min

Departures within 15 minutes of the usual time

73 %

Departures measured

44

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737-800 (B738) — Number of flights: 48
• BOEING 737 MAX 9 (B39M) — Number of flights: 35
• BOEING 737-900 (B739) — Number of flights: 10

Aircraft in the last 7 days

• N37470 · BOEING 737-900 2026-10-28
• N53441 · BOEING 737-900 2026-10-27
• N69818 · BOEING 737-900 2026-10-26
• N68802 · BOEING 737-900 2026-10-25
• N77587 · BOEING 737 MAX 9 2026-10-25
• N33264 · BOEING 737-800 2026-10-24

Related flights on this route

• All flights KSEA – KIAH