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
11:28 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
270° / 6 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, SCT 15,000 ft, SCT 22,000 ft
Temp / Dew
31°C / 7°C
Altimeter
30.18 inHg

Obs: 2026-08-28T16:53:00.000Z

Raw METAR / TAF 
METAR KDEN 281653Z 27006KT 10SM FEW100 SCT150 SCT220 31/07 A3018 RMK AO2 SLP131 T03060072

TAF KDEN 281722Z 2818/2924 26006KT P6SM FEW100 SCT150 FM282100 33008KT P6SM FEW100 SCT120 TEMPO 2821/2824 VRB15G35KT -SHRA BKN080 FM290000 01009KT P6SM FEW100 BKN120 PROB30 2900/2902 VRB15G35KT -SHRA BKN080 FM290200 16006KT P6SM SCT120 BKN220 FM290500 22009KT P6SM FEW120 SCT220 FM291600 25007KT P6SM FEW110 SCT200 FM291900 25010KT P6SM VCSH SCT100 BKN150 PROB30 2920/2924 VRB20G35KT -TSRA BKN080CB

Arrival

LGA KLGA VFR

LaGuardia Airport

New York, US

Local time
13:28 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
21 ft
Coordinates
40.7772, -73.8726

cloud Weather

Wind
310° / 6 kt
Visibility
10 SM
Ceiling
FEW 4,000 ft, FEW 20,000 ft, BKN 25,000 ft
Temp / Dew
27°C / 19°C
Altimeter
29.99 inHg

Obs: 2026-08-28T16:51:00.000Z

Raw METAR / TAF 
METAR KLGA 281651Z 31006KT 10SM FEW040 FEW200 BKN250 27/19 A2999 RMK AO2 SLP156 T02720189 $

TAF KLGA 281441Z 2815/2918 VRB05KT P6SM FEW015 BKN040 FM281600 33008KT P6SM SCT040 BKN070 PROB30 2819/2824 4SM -SHRA BR BKN040 FM290100 35009KT P6SM FEW040 FM290900 01008KT P6SM FEW040

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A43EC9 DEN → LGA Jul 26, 19:55 UTCJul 26, 21:10 UTC1h 15m - -
2026-07-26 A126EB DEN → LGA Jul 26, 12:25 UTCJul 26, 17:35 UTC5h 10m - -
2026-07-25 AA56DB DEN → LGA Jul 25, 20:00 UTCJul 25, 21:15 UTC1h 15m - -
2026-07-25 A12B4D DEN → LGA Jul 25, 12:10 UTCJul 25, 17:20 UTC5h 10m - -
2026-07-24 AA56B3 DEN → LGA Jul 24, 19:45 UTCJul 24, 20:55 UTC1h 10m - -
2026-07-24 A5CC11 DEN → LGA Jul 24, 12:15 UTCJul 24, 17:30 UTC5h 15m - -
2026-07-23 AA5690 DEN → LGA Jul 23, 19:45 UTCJul 23, 20:55 UTC1h 10m - -
2026-07-23 A5CC19 DEN → LGA Jul 23, 12:10 UTCJul 23, 17:25 UTC5h 15m - -
2026-07-22 A9D626 DEN → LGA Jul 22, 19:50 UTCJul 22, 21:15 UTC1h 25m - -
2026-07-22 A9D626 DEN → LGA Jul 22, 19:43 UTCJul 22, 21:14 UTC1h 31m +22m -8m
2026-07-22 A5CF82 DEN → LGA Jul 22, 12:15 UTCJul 22, 17:30 UTC5h 15m - -
2026-07-21 AA7427 DEN → LGA Jul 21, 20:05 UTCJul 21, 21:20 UTC1h 15m - -
2026-07-21 A12711 DEN → LGA Jul 21, 12:05 UTCJul 21, 17:05 UTC5h 0m - -
2026-07-20 A43E83 DEN → LGA Jul 20, 20:35 UTCJul 20, 21:45 UTC1h 10m - -
2026-07-20 A12756 DEN → LGA Jul 20, 12:15 UTCJul 20, 17:20 UTC5h 5m - -
2026-07-19 AA7E7B DEN → LGA Jul 19, 19:45 UTCJul 19, 20:55 UTC1h 10m - -
2026-07-19 A2B10F DEN → LGA Jul 19, 12:30 UTCJul 19, 17:40 UTC5h 10m - -
2026-07-18 A05DBC DEN → LGA Jul 18, 20:40 UTCJul 18, 21:50 UTC1h 10m - -
2026-07-18 A449A2 DEN → LGA Jul 18, 13:25 UTCJul 18, 18:30 UTC5h 5m - -
2026-07-17 A43EED DEN → LGA Jul 17, 19:45 UTCJul 17, 20:55 UTC1h 10m - -
2026-07-17 A12732 DEN → LGA Jul 17, 12:30 UTCJul 17, 17:44 UTC5h 15m - -
2026-07-16 AA7E56 - Jul 16, 20:00 UTCJul 16, 21:15 UTC1h 15m - -
2026-07-16 A7598C - Jul 16, 12:09 UTCJul 16, 17:30 UTC5h 20m - -
2026-07-15 A41743 - Jul 15, 21:25 UTCJul 15, 22:35 UTC1h 10m - -
2026-07-15 A2B196 - Jul 15, 12:15 UTCJul 15, 17:35 UTC5h 20m - -
2026-07-14 A39FB7 SFO → SAN Jul 14, 19:30 UTCJul 14, 20:45 UTC1h 15m - -
2026-07-14 A0ACB6 - Jul 14, 12:10 UTCJul 14, 17:25 UTC5h 15m - -
2026-07-13 A43E5C - Jul 13, 20:25 UTCJul 13, 21:40 UTC1h 15m - -
2026-07-13 A43E5C SFO → SAN Jul 13, 20:22 UTCJul 13, 21:38 UTC1h 16m +61m +45m
2026-07-13 A5CF1B - Jul 13, 12:25 UTCJul 13, 17:40 UTC5h 15m - -

Performance history

Flights tracked
209 showing last 30
Avg arrival delay
+19m
On-time arrival
50% 50% on time
Aircraft used
28

Monthly activity 4 months

Month Flights tracked
July 2026 59
June 2026 68
May 2026 45
April 2026 37

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 3h 5m from takeoff to landing.
How often does UAL1257 fly?
UAL1257 has been observed flying several times a week in our tracking data. We've recorded 209 flights under this callsign.
Is flight UAL1257 usually on time?
Across recent flights, UAL1257 arrives with an average 19-minute delay. 50% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1257?
UAL1257 has been operated by 28 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.