Apparatus

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flight_takeoff Flight

UAL1851

Operated by United Airlines

Live map

Live map filtered to UAL1851. Shown when the flight is currently airborne.

Route airports View route page →

Departure

PDX KPDX VFR

Portland International Airport

Portland, US

Local time
02:56 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
31 ft
Coordinates
45.5887, -122.5980

cloud Weather

Wind
170° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
7°C / 4°C
Altimeter
30.14 inHg

Obs: 2026-10-13T08:53:00.000Z

Raw METAR / TAF 
METAR KPDX 130853Z 17003KT 10SM CLR 07/04 A3014 RMK AO2 SLP205 T00670039 53011 $

TAF KPDX 130803Z 1308/1406 VRB03KT P6SM SKC FM131400 VRB02KT P6SM FEW005 SCT250 FM131700 VRB02KT P6SM BKN250

flight Live Traffic

flight_takeoff 55 Departures
flight_land 47 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
04:56 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
160° / 7 kt
Visibility
10 SM
Ceiling
SCT 1,200 ft, SCT 2,400 ft
Temp / Dew
27°C / 26°C
Altimeter
29.96 inHg

Obs: 2026-10-13T08:53:00.000Z

Raw METAR / TAF 
METAR KIAH 130853Z 16007KT 10SM SCT012 SCT024 27/26 A2996 RMK AO2 SLP143 T02720261 58008

TAF KIAH 130857Z 1309/1412 14006KT P6SM SCT015 SCT025 TEMPO 1309/1311 BKN015 FM131100 15005KT P6SM BKN035 FM131600 15010KT P6SM SCT030 BKN040 PROB30 1318/1323 -TSRA SCT030CB

flight Live Traffic

flight_takeoff 45 Departures
flight_land 57 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A9D5E4 PDX → IAH Jul 26, 03:05 UTCJul 26, 03:55 UTC50m - -
2026-07-25 A9D5E7 PDX → IAH Jul 25, 01:43 UTCJul 25, 02:34 UTC51m +38m -3m
2026-07-25 A9D5E7 PDX → IAH Jul 25, 01:35 UTCJul 25, 02:35 UTC1h 0m - -
2026-07-24 A3A0CA PDX → IAH Jul 24, 01:45 UTCJul 24, 02:40 UTC55m - -
2026-07-23 A3EF7E PDX → IAH Jul 23, 02:05 UTCJul 23, 03:10 UTC1h 5m - -
2026-07-22 AA7E7A PDX → IAH Jul 22, 01:40 UTCJul 22, 02:40 UTC1h 0m - -
2026-07-21 A0ACBB PDX → IAH Jul 21, 01:50 UTCJul 21, 02:55 UTC1h 5m - -
2026-07-20 AA4C42 - Jul 20, 02:15 UTCJul 20, 03:15 UTC1h 0m - -
2026-07-19 AA7E7C - Jul 19, 05:35 UTCJul 19, 06:25 UTC50m - -
2026-07-18 A49510 - Jul 18, 03:25 UTCJul 18, 04:20 UTC55m - -
2026-07-18 A49510 ORD → MCI Jul 18, 03:19 UTCJul 18, 04:19 UTC1h 0m +134m -10m
2026-07-17 A43EA3 ORD → MCI Jul 17, 04:06 UTCJul 17, 04:59 UTC53m +181m -1m
2026-07-17 A43EA3 - Jul 17, 04:04 UTCJul 17, 04:59 UTC55m - -
2026-07-16 A05E02 - Jul 16, 02:05 UTCJul 16, 03:00 UTC55m - -
2026-07-15 A1239C - Jul 15, 01:20 UTCJul 15, 02:20 UTC1h 0m - -
2026-07-14 A23A28 ORD → MCI Jul 14, 01:43 UTCJul 14, 02:34 UTC51m +38m -5m
2026-07-14 A23A28 - Jul 14, 01:40 UTCJul 14, 02:35 UTC55m - -
2026-07-13 AA56DB - Jul 13, 01:35 UTCJul 13, 02:35 UTC1h 0m - -
2026-07-12 AAA5D4 - Jul 12, 02:30 UTCJul 12, 03:25 UTC55m - -
2026-07-11 A43EA3 - Jul 11, 01:40 UTCJul 11, 03:01 UTC1h 20m - -
2026-07-10 A0ACDD - Jul 10, 05:55 UTCJul 10, 06:50 UTC55m - -
2026-07-09 A0ACF8 ORD → MCI Jul 9, 01:53 UTCJul 9, 03:11 UTC1h 18m +38m -6m
2026-07-09 A0ACF8 - Jul 9, 02:15 UTCJul 9, 03:10 UTC55m - -
2026-07-08 A28928 - Jul 8, 02:30 UTCJul 8, 03:30 UTC1h 0m - -
2026-07-07 A8D4D2 - Jul 7, 01:50 UTCJul 7, 02:45 UTC55m - -
2026-07-07 A8D4D2 ORD → MCI Jul 7, 01:43 UTCJul 7, 02:45 UTC1h 2m +38m -7m
2026-07-06 A2615E - Jul 6, 02:05 UTCJul 6, 03:00 UTC55m - -
2026-07-05 AACD50 - Jul 5, 02:20 UTCJul 5, 03:20 UTC1h 0m - -
2026-07-02 A43E5B - Jul 2, 03:25 UTCJul 2, 04:20 UTC55m - -
2026-07-01 AAA593 - Jul 1, 02:30 UTCJul 1, 03:25 UTC55m - -

Performance history

Flights tracked
124 showing last 30
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
23

Monthly activity 4 months

Month Flights tracked
July 2026 30
June 2026 34
May 2026 41
April 2026 19

UAL1851 frequently asked

Where does flight UAL1851 fly?
UAL1851 (United Airlines) flies from PDX to IAH. View the full route page.
How long is flight UAL1851?
Based on observed flights, UAL1851 takes on average 58m from takeoff to landing.
How often does UAL1851 fly?
UAL1851 has been observed flying several times a week in our tracking data. We've recorded 124 flights under this callsign.
Is flight UAL1851 usually on time?
Across recent flights, UAL1851 arrives 5 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1851?
UAL1851 has been operated by 23 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1851 live?
Yes. When UAL1851 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.