Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1638

Operated by United Airlines

Live map

Live map filtered to UAL1638. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
04:49 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
BKN 8,000 ft
Temp / Dew
21°C / 17°C
Altimeter
30.09 inHg

Obs: 2026-08-28T08:51:00.000Z

Raw METAR / TAF 
METAR KORD 280851Z 00000KT 10SM BKN080 21/17 A3009 RMK AO2 SLP183 T02060167 53004

TAF KORD 280833Z 2809/2912 VRB04KT P6SM FEW080 FM281500 22006KT P6SM SCT050

flight Live Traffic

flight_takeoff 307 Departures
flight_land 501 Arrivals

Arrival

PHL KPHL VFR

Philadelphia International Airport

Philadelphia, US

Local time
05:49 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
36 ft
Coordinates
39.8719, -75.2411

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
BKN 15,000 ft, BKN 19,000 ft, OVC 25,000 ft
Temp / Dew
22°C / 20°C
Altimeter
29.95 inHg

Obs: 2026-08-28T08:54:00.000Z

Raw METAR / TAF 
METAR KPHL 280854Z 00000KT 10SM BKN150 BKN190 OVC250 22/20 A2995 RMK AO2 SLP141 T02170200 56009 $

TAF KPHL 280832Z 2809/2912 VRB02KT P6SM BKN035 TEMPO 2810/2812 2SM BR BKN020 FM281300 34004KT P6SM SCT150 FM281800 33004KT P6SM VCSH SCT080 FM282100 35004KT P6SM SCT200 FM290600 VRB04KT P6SM FEW250

flight Live Traffic

flight_takeoff 77 Departures
flight_land 103 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A55FA2 ORD → PHL Jul 26, 14:15 UTCJul 26, 16:10 UTC1h 55m - -
2026-07-25 A0B844 ORD → PHL Jul 25, 14:20 UTCJul 25, 16:15 UTC1h 55m - -
2026-07-25 A0B844 ORD → PHL Jul 25, 14:18 UTCJul 25, 16:06 UTC1h 48m +18m -6m
2026-07-24 A0B88C ORD → PHL Jul 24, 14:20 UTCJul 24, 16:10 UTC1h 50m - -
2026-07-23 A3D2E5 ORD → PHL Jul 23, 14:25 UTCJul 23, 16:15 UTC1h 50m - -
2026-07-22 A3D2E5 ORD → PHL Jul 22, 14:35 UTCJul 22, 16:25 UTC1h 50m - -
2026-07-21 A3D326 DEN → LAX Jul 21, 14:10 UTCJul 21, 16:00 UTC1h 50m - -
2026-07-20 A0B801 - Jul 20, 14:20 UTCJul 20, 16:20 UTC2h 0m - -
2026-07-19 A6EDA1 DEN → LAX Jul 19, 14:20 UTCJul 19, 16:10 UTC1h 50m - -
2026-07-18 A0B7BB DEN → LAX Jul 18, 14:25 UTCJul 18, 16:15 UTC1h 50m - -
2026-07-17 A0B802 DEN → LAX Jul 17, 14:28 UTCJul 17, 16:05 UTC1h 37m +28m -13m
2026-07-17 A0B802 - Jul 17, 14:24 UTCJul 17, 16:15 UTC1h 50m - -
2026-07-16 A24573 DEN → LAX Jul 16, 14:18 UTCJul 16, 16:13 UTC1h 55m +18m +5m
2026-07-16 A24573 - Jul 16, 14:20 UTCJul 16, 16:15 UTC1h 55m - -
2026-07-15 A24573 DEN → LAX Jul 15, 14:18 UTCJul 15, 16:01 UTC1h 43m +18m +1m
2026-07-15 A24573 - Jul 15, 14:15 UTCJul 15, 16:10 UTC1h 55m - -
2026-07-14 A24529 DEN → LAX Jul 14, 14:30 UTCJul 14, 16:25 UTC1h 55m - -
2026-07-14 A24529 DEN → LAX Jul 14, 14:18 UTCJul 14, 16:20 UTC2h 2m +18m +7m
2026-07-13 A0B88A DEN → LAX Jul 13, 14:15 UTCJul 13, 16:15 UTC2h 0m - -
2026-07-12 A0B802 DEN → LAX Jul 12, 14:20 UTCJul 12, 16:10 UTC1h 50m - -
2026-07-11 A0B867 - Jul 11, 14:25 UTCJul 11, 16:20 UTC1h 55m - -
2026-07-10 A24591 DEN → LAX Jul 10, 14:18 UTCJul 10, 16:06 UTC1h 48m +18m -6m
2026-07-10 A24591 DEN → LAX Jul 10, 14:15 UTCJul 10, 16:15 UTC2h 0m - -
2026-07-09 A0B7BA - Jul 9, 14:30 UTCJul 9, 16:30 UTC2h 0m - -
2026-07-08 A0B86C - Jul 8, 14:40 UTCJul 8, 16:35 UTC1h 55m - -
2026-07-07 A0B88B DEN → LAX Jul 7, 14:10 UTCJul 7, 16:05 UTC1h 55m - -
2026-07-06 A0B88D DEN → LAX Jul 6, 14:25 UTCJul 6, 16:40 UTC2h 15m - -
2026-07-05 A0B841 DEN → LAX Jul 5, 14:10 UTCJul 5, 16:05 UTC1h 55m - -
2026-07-04 AA3AE4 DEN → LAX Jul 4, 14:20 UTCJul 4, 16:25 UTC2h 5m - -
2026-07-03 A0B7DC DEN → LAX Jul 3, 14:18 UTCJul 3, 16:16 UTC1h 58m +18m on time

Performance history

Flights tracked
142 showing last 30
Avg arrival delay
-2m
On-time arrival
100% 100% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 33
June 2026 41
May 2026 40
April 2026 28

UAL1638 frequently asked

Where does flight UAL1638 fly?
UAL1638 (United Airlines) flies from ORD to PHL. View the full route page.
How long is flight UAL1638?
Based on observed flights, UAL1638 takes on average 1h 54m from takeoff to landing.
How often does UAL1638 fly?
UAL1638 has been observed flying several times a week in our tracking data. We've recorded 142 flights under this callsign.
Is flight UAL1638 usually on time?
Across recent flights, UAL1638 arrives 2 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1638?
UAL1638 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1638 live?
Yes. When UAL1638 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.