Apparatus

Try JFK, AAL1290, BAW, or N225AN.

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
00:37 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
31 ft
Coordinates
45.5887, -122.5980

cloud Weather

Wind
330° / 6 kt
Visibility
10 SM
Ceiling
FEW 5,500 ft, FEW 25,000 ft
Temp / Dew
11°C / 4°C
Altimeter
30.21 inHg

Obs: 2026-05-30T06:53:00.000Z

Raw METAR / TAF 
METAR KPDX 300653Z 33006KT 10SM FEW055 FEW250 11/04 A3021 RMK AO2 SLP229 T01060039 $

TAF KPDX 300520Z 3006/3106 32008KT P6SM SCT050 SCT250 FM301400 30005KT P6SM BKN050 FM302000 31008KT P6SM SCT250

flight Live Traffic

flight_takeoff 78 Departures
flight_land 85 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
02:37 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
180° / 3 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
25°C / 23°C
Altimeter
29.87 inHg

Obs: 2026-05-30T06:53:00.000Z

Raw METAR / TAF 
METAR KIAH 300653Z 18003KT 10SM FEW250 25/23 A2987 RMK AO2 SLP113 T02500228

TAF KIAH 300520Z 3006/3112 19005KT P6SM FEW045 BKN250 FM301100 VRB03KT P6SM SCT010 BKN028 FM301500 21006KT P6SM FEW015 SCT030 FM301800 17009KT P6SM SCT040 BKN250 FM310300 18006KT P6SM FEW030 BKN250 FM311000 00000KT P6SM BKN030

flight Live Traffic

flight_takeoff 42 Departures
flight_land 58 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A94B48 PDX → IAH May 30, 02:45 UTCMay 30, 03:50 UTC1h 5m - -
2026-05-29 A94B4B PDX → IAH May 29, 01:50 UTCMay 29, 02:50 UTC1h 0m - -
2026-05-28 A836FB PDX → IAH May 28, 01:35 UTCMay 28, 02:40 UTC1h 5m - -
2026-05-27 AA2BC4 PDX → IAH May 27, 03:14 UTCMay 27, 04:14 UTC1h 0m - -
2026-05-26 AB1B3E PDX → IAH May 26, 01:49 UTCMay 26, 02:55 UTC1h 5m - -
2026-05-25 A494E9 PDX → IAH May 25, 01:55 UTCMay 25, 02:50 UTC55m - -
2026-05-24 A94BFC PDX → IAH May 24, 01:40 UTCMay 24, 02:40 UTC1h 0m - -
2026-05-23 A94AE3 PDX → IAH May 23, 01:50 UTCMay 23, 02:55 UTC1h 5m - -
2026-05-22 A94B2B PDX → IAH May 22, 02:25 UTCMay 22, 03:25 UTC1h 0m - -
2026-05-21 AB540D PDX → IAH May 21, 04:00 UTCMay 21, 05:45 UTC1h 45m - -
2026-05-21 AB540D PDX → IAH May 21, 04:09 UTCMay 21, 05:44 UTC1h 35m +24m -10m
2026-05-18 AAEEC5 PDX → IAH May 18, 19:30 UTCMay 18, 20:40 UTC1h 10m - -
2026-05-17 A5EE13 PDX → IAH May 17, 19:05 UTCMay 17, 20:10 UTC1h 5m - -
2026-05-16 AAA5D4 PDX → IAH May 16, 19:10 UTCMay 16, 20:10 UTC1h 0m - -
2026-05-15 A6045D PDX → IAH May 15, 17:55 UTCMay 15, 19:05 UTC1h 10m - -
2026-05-14 A5EE13 PDX → IAH May 14, 17:55 UTCMay 14, 18:55 UTC1h 0m - -
2026-05-14 A5EE13 PDX → IAH May 14, 17:50 UTCMay 14, 18:51 UTC1h 1m +13m -4m
2026-05-11 A34358 PDX → IAH May 11, 22:08 UTCMay 12, 01:24 UTC3h 16m +28m +21m
2026-05-11 A34358 PDX → IAH May 11, 22:05 UTCMay 11, 22:35 UTC29m - -
2026-05-11 A5B1A8 PDX → IAH May 11, 19:00 UTCMay 11, 20:00 UTC1h 0m - -
2026-05-10 A34358 PDX → IAH May 10, 22:05 UTCMay 11, 01:25 UTC3h 20m - -
2026-05-10 A5D570 PDX → IAH May 10, 19:05 UTCMay 10, 20:20 UTC1h 15m - -
2026-05-09 A05626 PDX → IAH May 9, 22:10 UTCMay 10, 01:39 UTC3h 30m - -
2026-05-09 AA7E79 PDX → IAH May 9, 17:45 UTCMay 9, 18:55 UTC1h 10m - -
2026-05-08 A34358 PDX → IAH May 8, 22:20 UTCMay 9, 01:40 UTC3h 20m - -
2026-05-08 A59197 PDX → IAH May 8, 18:55 UTCMay 8, 19:55 UTC1h 0m - -
2026-05-07 A1B5E7 PDX → IAH May 7, 22:45 UTCMay 8, 02:09 UTC3h 25m - -
2026-05-07 A54299 PDX → IAH May 7, 18:00 UTCMay 7, 18:55 UTC55m - -
2026-05-04 A0F427 PDX → IAH May 4, 23:05 UTCMay 5, 02:30 UTC3h 25m - -
2026-05-04 A12B2B PDX → IAH May 4, 19:40 UTCMay 4, 20:40 UTC1h 0m - -

Performance history

Flights tracked
60 showing last 30
Avg arrival delay
+2m
On-time arrival
67% 67% on time
Aircraft used
24

Monthly activity 2 months

Month Flights tracked
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 1h 32m 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 60 flights under this callsign.
Is flight UAL1851 usually on time?
Across recent flights, UAL1851 arrives with an average 2-minute delay. 67% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1851?
UAL1851 has been operated by 24 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.