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
22:45 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
30° / 10 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
19°C / 11°C
Altimeter
29.96 inHg

Obs: 2026-05-30T02:51:00.000Z

Raw METAR / TAF 
METAR KORD 300251Z 03010KT 10SM BKN250 19/11 A2996 RMK AO2 SLP141 T01940111 53006 $

TAF KORD 300237Z 3003/3106 07004KT P6SM BKN250 FM301400 08014KT P6SM BKN250

flight Live Traffic

flight_takeoff 563 Departures
flight_land 694 Arrivals

Arrival

PHL KPHL VFR

Philadelphia International Airport

Philadelphia, US

Local time
23:45 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
36 ft
Coordinates
39.8719, -75.2411

cloud Weather

Wind
230° / 12 kt
Visibility
10 SM
Ceiling
FEW 11,000 ft, FEW 25,000 ft
Temp / Dew
21°C / 12°C
Altimeter
29.77 inHg

Obs: 2026-05-30T02:54:00.000Z

Raw METAR / TAF 
METAR KPHL 300254Z 23012KT 10SM FEW110 FEW250 21/12 A2977 RMK AO2 SLP080 T02110117 58005 $

TAF KPHL 300206Z 3002/3106 22010KT P6SM SCT070 FM300500 25012KT P6SM SCT200 FM300700 28012KT P6SM SCT200 FM300900 32018G26KT P6SM SCT100 FM301500 35020G30KT P6SM BKN080 FM302100 01014G24KT P6SM SCT080

flight Live Traffic

flight_takeoff 191 Departures
flight_land 183 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A0B803 ORD → PHL May 29, 14:05 UTCMay 29, 16:05 UTC2h 0m - -
2026-05-28 AA07F9 ORD → PHL May 28, 14:18 UTCMay 28, 16:16 UTC1h 58m +18m +2m
2026-05-28 AA07F9 ORD → PHL May 28, 14:20 UTCMay 28, 16:15 UTC1h 55m - -
2026-05-27 A0B88A ORD → PHL May 27, 14:20 UTCMay 27, 16:20 UTC2h 0m - -
2026-05-26 A55FE9 ORD → PHL May 26, 14:14 UTCMay 26, 16:10 UTC1h 55m - -
2026-05-25 A0B7DE ORD → PHL May 25, 14:10 UTCMay 25, 16:05 UTC1h 55m - -
2026-05-24 A0B7BA ORD → PHL May 24, 14:18 UTCMay 24, 16:11 UTC1h 53m +18m -1m
2026-05-24 A0B7BA ORD → PHL May 24, 14:20 UTCMay 24, 16:15 UTC1h 55m - -
2026-05-23 A2452F ORD → PHL May 23, 14:20 UTCMay 23, 16:15 UTC1h 55m - -
2026-05-22 A0B86C ORD → PHL May 22, 14:50 UTCMay 22, 16:45 UTC1h 55m - -
2026-05-21 A0B889 ORD → PHL May 21, 14:20 UTCMay 21, 16:10 UTC1h 50m - -
2026-05-20 A5CC3C ORD → PHL May 20, 14:05 UTCMay 20, 15:53 UTC1h 48m +18m -6m
2026-05-20 A5CC3C ORD → PHL May 20, 14:00 UTCMay 20, 16:00 UTC2h 0m - -
2026-05-19 A94AE5 ORD → PHL May 19, 14:10 UTCMay 19, 16:15 UTC2h 5m - -
2026-05-18 A81000 ORD → PHL May 18, 14:05 UTCMay 18, 16:10 UTC2h 5m - -
2026-05-17 A94B05 ORD → PHL May 17, 14:10 UTCMay 17, 16:15 UTC2h 5m - -
2026-05-16 A4453E ORD → PHL May 16, 14:11 UTCMay 16, 16:15 UTC2h 5m - -
2026-05-15 A92362 ORD → PHL May 15, 14:20 UTCMay 15, 16:15 UTC1h 54m - -
2026-05-14 A8D5A4 ORD → PHL May 14, 14:10 UTCMay 14, 16:05 UTC1h 55m - -
2026-05-13 AA739E ORD → PHL May 13, 14:05 UTCMay 13, 15:50 UTC1h 45m +18m -9m
2026-05-13 AA739E ORD → PHL May 13, 14:00 UTCMay 13, 16:00 UTC2h 0m - -
2026-05-12 AA7ABD ORD → PHL May 12, 14:18 UTCMay 12, 16:03 UTC1h 45m +18m -8m
2026-05-12 AA7ABD ORD → PHL May 12, 14:15 UTCMay 12, 16:10 UTC1h 55m - -
2026-05-11 A923A8 ORD → PHL May 11, 14:18 UTCMay 11, 16:03 UTC1h 45m +18m -8m
2026-05-11 A923A8 ORD → PHL May 11, 14:15 UTCMay 11, 16:10 UTC1h 55m - -
2026-05-10 A4945F ORD → PHL May 10, 14:09 UTCMay 10, 16:20 UTC2h 10m - -
2026-05-09 A94B51 ORD → PHL May 9, 14:18 UTCMay 9, 16:06 UTC1h 48m +18m -9m
2026-05-09 A94B51 ORD → PHL May 9, 14:15 UTCMay 9, 16:15 UTC2h 0m - -
2026-05-08 A49510 ORD → PHL May 8, 14:20 UTCMay 8, 16:15 UTC1h 55m - -
2026-05-07 A836FB ORD → PHL May 7, 14:20 UTCMay 7, 16:10 UTC1h 50m - -

Performance history

Flights tracked
66 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 38
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 56m 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 66 flights under this callsign.
Is flight UAL1638 usually on time?
Across recent flights, UAL1638 arrives 6 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1638?
UAL1638 has been operated by 23 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.