Apparatus

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flight_takeoff Flight

UAL1977

Operated by UAL

Live map

Live map filtered to UAL1977. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
IAH BOS May 31, 12:49 PM UTC May 31, 04:23 PM UTC PLANNED

Route airports View route page →

Departure

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
07:46 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 2,000 ft, SCT 25,000 ft
Temp / Dew
23°C / 23°C
Altimeter
29.90 inHg

Obs: 2026-05-30T11:53:00.000Z

Raw METAR / TAF 
METAR KIAH 301153Z 00000KT 10SM FEW020 SCT250 23/23 A2990 RMK AO2 SLP122 T02330228 10261 20222 53015

TAF KIAH 301120Z 3012/3118 VRB03KT P6SM SCT010 BKN028 FM301500 21006KT P6SM FEW015 SCT030 FM301800 17009KT P6SM SCT040 BKN250 FM310300 18006KT P6SM FEW030 BKN250 FM311000 00000KT P6SM BKN250

flight Live Traffic

flight_takeoff 392 Departures
flight_land 431 Arrivals

Arrival

BOS KBOS IFR

Boston Logan International Airport

Boston, US

Local time
08:46 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
40° / 28G43 kt
Visibility
1.75 SM
Ceiling
OVC 700 ft
Temp / Dew
11°C / 9°C
Altimeter
29.70 inHg
Wx
-RA BR

Obs: 2026-05-30T12:36:00.000Z

Raw METAR / TAF 
SPECI KBOS 301236Z 04028G43KT 1 3/4SM R04R/4500VP6000FT -RA BR OVC007 11/09 A2970 RMK AO2 PK WND 02043/1232 RAB07E13B28 PRESRR P0000 T01060094

TAF KBOS 301124Z 3012/3118 03020G32KT P6SM -RA SCT008 OVC015 FM301300 03022G44KT 6SM -RA BR SCT008 OVC010 TEMPO 3013/3017 3SM RA BR OVC008 FM302200 01017G28KT P6SM VCSH BKN020 FM310000 01013G20KT P6SM BKN060 FM310300 33010KT P6SM SCT250 FM310600 33007KT P6SM FEW250

flight Live Traffic

flight_takeoff 202 Departures
flight_land 195 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A6C247 LAX → SFO May 29, 12:55 UTCMay 29, 16:15 UTC3h 20m - -
2026-05-28 AA7ABD LAX → SFO May 28, 12:50 UTCMay 28, 16:00 UTC3h 10m - -
2026-05-28 AA7ABD LAX → SFO May 28, 12:49 UTCMay 28, 15:57 UTC3h 8m +19m -7m
2026-05-27 A1235B LAX → SFO May 27, 13:10 UTCMay 27, 16:30 UTC3h 20m - -
2026-05-26 A923EF LAX → SFO May 26, 13:00 UTCMay 26, 16:15 UTC3h 15m - -
2026-05-25 AA2BA4 LAX → SFO May 25, 12:45 UTCMay 25, 15:55 UTC3h 10m - -
2026-05-24 A448D5 LAX → SFO May 24, 12:55 UTCMay 24, 16:05 UTC3h 10m - -
2026-05-23 AA7F27 LAX → SFO May 23, 13:25 UTCMay 23, 16:55 UTC3h 30m - -
2026-05-22 A4453E LAX → SFO May 22, 12:45 UTCMay 22, 15:55 UTC3h 10m - -
2026-05-21 A44585 LAX → SFO May 21, 12:55 UTCMay 21, 16:05 UTC3h 10m - -
2026-05-21 A44585 LAX → SFO May 21, 12:49 UTCMay 21, 16:02 UTC3h 13m +19m -4m
2026-05-20 A2B0CD LAX → SFO May 20, 12:45 UTCMay 20, 16:05 UTC3h 20m - -
2026-05-19 A4943E LAX → SFO May 19, 12:40 UTCMay 19, 16:10 UTC3h 30m - -
2026-05-19 A4943E LAX → SFO May 19, 12:44 UTCMay 19, 16:05 UTC3h 21m +19m +2m
2026-05-18 A43E5C LAX → SFO May 18, 15:35 UTCMay 18, 18:50 UTC3h 14m - -
2026-05-18 A43E5C LAX → SFO May 18, 15:34 UTCMay 18, 18:42 UTC3h 8m +189m -6m
2026-05-17 A5CC3C LAX → SFO May 17, 12:50 UTCMay 17, 16:10 UTC3h 20m - -
2026-05-16 A2B130 LAX → SFO May 16, 12:40 UTCMay 16, 15:55 UTC3h 15m - -
2026-05-15 AA56B3 LAX → SFO May 15, 12:45 UTCMay 15, 16:15 UTC3h 29m - -
2026-05-14 A12797 LAX → SFO May 14, 12:45 UTCMay 14, 16:10 UTC3h 25m - -
2026-05-13 AC0BA7 LAX → SFO May 13, 12:45 UTCMay 13, 16:05 UTC3h 20m - -
2026-05-12 A43EA7 LAX → SFO May 12, 13:15 UTCMay 12, 16:35 UTC3h 20m - -
2026-05-11 A28947 LAX → SFO May 11, 12:40 UTCMay 11, 15:50 UTC3h 10m - -
2026-05-10 A44214 LAX → SFO May 10, 12:30 UTCMay 10, 15:45 UTC3h 15m - -
2026-05-09 A5CC3C LAX → SFO May 9, 12:55 UTCMay 9, 16:00 UTC3h 5m - -
2026-05-09 A5CC3C LAX → SFO May 9, 12:44 UTCMay 9, 15:56 UTC3h 12m +19m +1m
2026-05-08 AA7E7D LAX → SFO May 8, 13:00 UTCMay 8, 16:05 UTC3h 5m - -
2026-05-07 A12731 LAX → SFO May 7, 13:05 UTCMay 7, 15:50 UTC2h 45m - -
2026-05-07 A12731 LAX → SFO May 7, 12:44 UTCMay 7, 15:49 UTC3h 5m +19m -21m
2026-05-06 A445EE LAX → SFO May 6, 12:50 UTCMay 6, 15:45 UTC2h 55m - -

Performance history

Flights tracked
71 showing last 30
Avg arrival delay
-6m
On-time arrival
100% 100% on time
Aircraft used
23

Monthly activity 2 months

Month Flights tracked
May 2026 37
April 2026 34

UAL1977 frequently asked

Where does flight UAL1977 fly?
UAL1977 (UAL) flies from IAH to BOS. View the full route page.
How long is flight UAL1977?
Based on observed flights, UAL1977 takes on average 3h 14m from takeoff to landing.
How often does UAL1977 fly?
UAL1977 has been observed flying several times a week in our tracking data. We've recorded 71 flights under this callsign.
Is flight UAL1977 usually on time?
Across recent flights, UAL1977 arrives 6 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1977?
UAL1977 has been operated by 23 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1977 live?
Yes. When UAL1977 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.