Apparatus

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flight_takeoff Flight

UAL401

Operated by United Airlines

Live map

Live map filtered to UAL401. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LIR MRLB VFR

Daniel Oduber Quirós International Airport

Liberia, CR

Local time
17:55 CST
Timezone
America/Costa_Rica
Type
Large Airport
Elevation
270 ft
Coordinates
10.5933, -85.5444

cloud Weather

Wind
290° / 2 kt
Visibility
6 SM
Ceiling
CAVOK
Temp / Dew
31°C / 25°C
Altimeter
29.77 inHg

Obs: 2026-10-13T22:00:00.000Z

Raw METAR / TAF 
METAR MRLB 132200Z 29002KT CAVOK 31/25 A2977

TAF MRLB 131740Z 1318/1418 29006KT 9999 FEW040 TX35/1320Z TN22/1411Z TEMPO 1322/1402 TSRA FEW015CB BECMG 1402/1405 11007KT TEMPO 1410/1414 25005KT 5000 BR

flight Live Traffic

flight_takeoff 5 Departures
flight_land 1 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
18:55 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
140° / 17 kt
Visibility
10 SM
Ceiling
FEW 4,400 ft, SCT 7,500 ft, SCT 25,000 ft
Temp / Dew
33°C / 24°C
Altimeter
29.94 inHg

Obs: 2026-10-13T21:53:00.000Z

Raw METAR / TAF 
METAR KIAH 132153Z 14017KT 10SM FEW044 SCT075 SCT250 33/24 A2994 RMK AO2 PK WND 13028/2104 SLP138 T03280239

TAF KIAH 132043Z 1321/1424 16012G20KT P6SM VCSH SCT040 SCT100 PROB30 1321/1322 -SHRA SCT030 FM140000 15008KT P6SM SCT050 FM140600 14005KT P6SM BKN025 TEMPO 1407/1411 SCT009 BKN015 FM141300 13005KT P6SM SCT025 BKN050 FM141600 15010G18KT P6SM BKN050

flight Live Traffic

flight_takeoff 219 Departures
flight_land 275 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A4460D LIR → IAH Jul 25, 22:25 UTCJul 26, 00:45 UTC2h 20m - -
2026-07-23 A3A0CF LIR → IAH Jul 23, 22:35 UTCJul 24, 00:55 UTC2h 20m - -
2026-07-22 A43EE5 LIR → IAH Jul 22, 17:40 UTCJul 23, 01:20 UTC7h 40m - -
2026-07-21 A3C775 LIR → IAH Jul 21, 22:30 UTCJul 22, 00:40 UTC2h 10m - -
2026-07-20 AA4C42 LIR → IAH Jul 20, 22:10 UTCJul 21, 00:30 UTC2h 19m - -
2026-07-20 AA4C42 LIR → IAH Jul 20, 21:42 UTCJul 21, 00:27 UTC2h 45m +15m +1m
2026-07-19 A0AD1B - Jul 19, 22:20 UTCJul 20, 00:40 UTC2h 20m - -
2026-07-19 A288E4 LIR → IAH Jul 19, 00:50 UTCJul 19, 03:53 UTC3h 3m +203m +2m
2026-07-17 AC0B7F LIR → IAH Jul 17, 23:31 UTCJul 18, 02:24 UTC2h 53m +124m +3m
2026-07-16 A1239D - Jul 16, 23:05 UTCJul 17, 01:09 UTC2h 5m - -
2026-07-16 A1239D - Jul 16, 22:45 UTCJul 16, 22:59 UTC15m - -
2026-07-15 A4453E - Jul 15, 17:35 UTCJul 16, 00:55 UTC7h 20m - -
2026-07-14 A288E4 - Jul 14, 18:05 UTCJul 15, 01:25 UTC7h 19m - -
2026-07-13 A43E83 LIR → IAH Jul 13, 23:00 UTCJul 14, 01:53 UTC2h 53m +93m -5m
2026-07-13 A43E83 - Jul 13, 18:50 UTCJul 14, 01:55 UTC7h 5m - -
2026-07-12 AA7E36 - Jul 12, 23:15 UTCJul 13, 01:40 UTC2h 25m - -
2026-07-11 A9D5E7 LIR → IAH Jul 11, 21:52 UTCJul 12, 00:49 UTC2h 57m +25m on time
2026-07-11 A9D5E7 - Jul 11, 17:10 UTCJul 12, 00:50 UTC7h 40m - -
2026-07-10 AA7E36 - Jul 10, 17:05 UTCJul 11, 00:55 UTC7h 50m - -
2026-07-08 A43E5C - Jul 8, 17:10 UTCJul 9, 00:40 UTC7h 30m - -
2026-07-07 A0ACFF - Jul 7, 17:10 UTCJul 8, 01:10 UTC8h 0m - -
2026-07-06 AA4C1A - Jul 6, 22:15 UTCJul 7, 00:30 UTC2h 15m - -
2026-07-06 A0FBFA - Jul 6, 00:50 UTCJul 6, 01:15 UTC25m - -
2026-07-04 AA56D8 - Jul 4, 22:10 UTCJul 5, 00:35 UTC2h 25m - -
2026-07-04 A0ACDD - Jul 4, 00:20 UTCJul 4, 00:40 UTC20m - -
2026-07-02 AA7E36 - Jul 2, 22:25 UTCJul 3, 00:45 UTC2h 20m - -
2026-07-02 AA7E36 LIR → IAH Jul 2, 21:42 UTCJul 3, 00:50 UTC3h 8m +15m -6m
2026-07-01 A9D626 - Jul 1, 18:50 UTCJul 2, 00:35 UTC5h 45m - -
2026-06-30 A1235B - Jun 30, 17:20 UTCJul 1, 00:40 UTC7h 20m - -
2026-06-29 AAA590 - Jun 29, 22:39 UTCJun 30, 00:55 UTC2h 15m - -

Performance history

Flights tracked
107 showing last 30
Avg arrival delay
-1m
On-time arrival
100% 100% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 28
June 2026 33
May 2026 29
April 2026 17

UAL401 frequently asked

Where does flight UAL401 fly?
UAL401 (United Airlines) flies from LIR to IAH. View the full route page.
How long is flight UAL401?
Based on observed flights, UAL401 takes on average 3h 55m from takeoff to landing.
How often does UAL401 fly?
UAL401 has been observed flying several times a week in our tracking data. We've recorded 107 flights under this callsign.
Is flight UAL401 usually on time?
Across recent flights, UAL401 arrives 1 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL401?
UAL401 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL401 live?
Yes. When UAL401 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.