Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1257

Operated by United Airlines

Live map

Live map filtered to UAL1257. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
22:39 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
360° / 10 kt
Visibility
10 SM
Ceiling
FEW 14,000 ft, SCT 22,000 ft
Temp / Dew
6°C / -1°C
Altimeter
29.90 inHg

Obs: 2026-04-15T03:53:00.000Z

Raw METAR / TAF 
METAR KDEN 150353Z 36010KT 10SM FEW140 SCT220 06/M01 A2990 RMK AO2 SLP093 T00561006

TAF KDEN 150258Z 1503/1606 34011KT P6SM SCT100 FM150600 21007KT P6SM SCT200 FM151400 27007KT P6SM SCT200 FM152100 31008KT P6SM SCT200 FM160300 23007KT P6SM SCT200

flight Live Traffic

flight_takeoff 643 Departures
flight_land 564 Arrivals

Arrival

LGA KLGA VFR

LaGuardia Airport

New York, US

Local time
00:39 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
21 ft
Coordinates
40.7772, -73.8726

cloud Weather

Wind
320° / 6 kt
Visibility
10 SM
Ceiling
FEW 4,400 ft, BKN 15,000 ft, BKN 22,000 ft
Temp / Dew
21°C / 13°C
Altimeter
29.88 inHg
Wx
-RA

Obs: 2026-04-15T03:51:00.000Z

Raw METAR / TAF 
METAR KLGA 150351Z 32006KT 10SM -RA FEW044 BKN150 BKN220 21/13 A2988 RMK AO2 PK WND 33030/0307 RAE07B49 SLP118 P0000 T02110133 $

TAF KLGA 150301Z 1503/1606 27011G20KT P6SM SCT050 BKN100 BKN250 TEMPO 1503/1504 32017G28KT 5SM -SHRA BR BKN050 FM150400 24007KT P6SM SCT050 SCT100 SCT250 TEMPO 1507/1511 4SM BR FM151500 22010KT P6SM SCT060 SCT250 FM151800 18013G20KT P6SM SCT060 BKN250 FM160000 19012KT P6SM BKN060 BKN150 PROB30 1600/1606 4SM -SHRA BR

warning FAA Advisories

  • Closed: !LGA 04/220 LGA AD AP CLSD EXC 4HR 
PPR 718-533-3700 DLY 0401-1000 2604150401-2610311000 (Apr 15 at 04:01 UTC. – Oct 31 at 10:00 UTC.)

flight Live Traffic

flight_takeoff 223 Departures
flight_land 101 Arrivals

Recent history last 6

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 A127BB DEN → LGA Apr 13, 16:15 UTCApr 13, 17:20 UTC1h 5m - -
2026-04-13 A127BB DEN → LGA Apr 13, 15:50 UTCApr 13, 17:20 UTC1h 30m - -
2026-04-13 A127BB DEN → LGA Apr 13, 12:20 UTCApr 13, 16:15 UTC3h 55m - -
2026-04-13 A127BB DEN → LGA Apr 13, 11:55 UTCApr 13, 15:50 UTC3h 55m - -
2026-04-13 A127BB DEN → LGA Apr 13, 11:30 UTCApr 13, 12:15 UTC45m - -
2026-04-12 A44213 DEN → LGA Apr 12, 17:15 UTCApr 12, 17:35 UTC20m - -

Performance history

Flights tracked
6
Avg arrival delay
-
On-time arrival
-
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 6

UAL1257 frequently asked

Where does flight UAL1257 fly?
UAL1257 (United Airlines) flies from DEN to LGA. View the full route page.
How long is flight UAL1257?
Based on observed flights, UAL1257 takes on average 1h 55m from takeoff to landing.
How often does UAL1257 fly?
UAL1257 has been observed flying occasionally in our tracking data. We've recorded 6 flights under this callsign.
What aircraft operates flight UAL1257?
UAL1257 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1257 live?
Yes. When UAL1257 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.