Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1688

Operated by United Airlines

Live map

Live map filtered to UAL1688. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
06:51 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
10° / 10 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
19°C / 15°C
Altimeter
30.20 inHg

Obs: 2026-08-29T09:52:00.000Z

Raw METAR / TAF 
METAR KIAD 290952Z 01010KT 10SM FEW250 19/15 A3020 RMK AO2 SLP222 T01940150 $

TAF KIAD 290906Z 2909/3012 01007KT P6SM FEW080 FM291900 13005KT P6SM SCT080 FM300000 00000KT P6SM FEW080

flight Live Traffic

flight_takeoff 95 Departures
flight_land 122 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
05:51 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 15,000 ft, FEW 25,000 ft
Temp / Dew
24°C / 24°C
Altimeter
30.03 inHg

Obs: 2026-08-29T09:53:00.000Z

Raw METAR / TAF 
METAR KIAH 290953Z 00000KT 10SM FEW150 FEW250 24/24 A3003 RMK AO2 SLP169 T02390239 $

TAF KIAH 290859Z 2909/3012 VRB05KT P6SM FEW030 FEW250 FM291800 14007KT P6SM SCT250 FM300000 16009KT P6SM FEW250 FM300300 VRB05KT P6SM SCT250

flight Live Traffic

flight_takeoff 208 Departures
flight_land 175 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AB2C8E IAD → IAH Jul 26, 14:25 UTCJul 26, 16:25 UTC2h 0m - -
2026-07-25 A3A086 IAD → IAH Jul 25, 14:40 UTCJul 25, 16:45 UTC2h 5m - -
2026-07-24 AC4107 IAD → IAH Jul 24, 15:00 UTCJul 24, 17:10 UTC2h 10m - -
2026-07-23 A097CE IAD → IAH Jul 23, 14:30 UTCJul 23, 16:40 UTC2h 10m - -
2026-07-22 AC4107 IAD → IAH Jul 22, 14:20 UTCJul 22, 16:25 UTC2h 5m - -
2026-07-21 AA2BC1 IAD → IAH Jul 21, 14:40 UTCJul 21, 16:45 UTC2h 5m - -
2026-07-20 AB819C IAD → IAH Jul 20, 14:45 UTCJul 20, 16:50 UTC2h 5m - -
2026-07-19 A0B7B6 IAD → IAH Jul 19, 14:40 UTCJul 19, 16:45 UTC2h 5m - -
2026-07-18 A1239C IAD → IAH Jul 18, 15:35 UTCJul 18, 17:35 UTC2h 0m - -
2026-07-17 AB9B9D - Jul 17, 15:00 UTCJul 17, 17:05 UTC2h 5m - -
2026-07-16 A0BF90 ORD → AUS Jul 16, 15:47 UTCJul 16, 17:52 UTC2h 5m +106m -10m
2026-07-16 A0BF90 ORD → AUS Jul 16, 15:45 UTCJul 16, 17:54 UTC2h 10m - -
2026-07-15 AB9078 ORD → AUS Jul 15, 14:25 UTCJul 15, 16:35 UTC2h 10m - -
2026-07-14 A24C73 ORD → AUS Jul 14, 14:38 UTCJul 14, 17:21 UTC2h 43m +37m +52m
2026-07-14 A24C73 ORD → AUS Jul 14, 14:30 UTCJul 14, 17:25 UTC2h 55m - -
2026-07-13 AB3DC3 - Jul 13, 14:30 UTCJul 13, 16:30 UTC2h 0m - -
2026-07-12 AA7E7A ORD → AUS Jul 12, 14:30 UTCJul 12, 16:30 UTC2h 0m - -
2026-07-11 A3EFA2 ORD → AUS Jul 11, 14:38 UTCJul 11, 16:48 UTC2h 10m +37m -3m
2026-07-11 A3EFA2 ORD → AUS Jul 11, 14:40 UTCJul 11, 16:50 UTC2h 10m - -
2026-07-10 AB417A - Jul 10, 15:30 UTCJul 10, 17:45 UTC2h 15m - -
2026-07-10 AB417A ORD → AUS Jul 10, 15:37 UTCJul 10, 17:43 UTC2h 6m +96m -6m
2026-07-09 A13608 ORD → AUS Jul 9, 14:25 UTCJul 9, 16:40 UTC2h 15m - -
2026-07-08 AB0ED6 ORD → AUS Jul 8, 14:35 UTCJul 8, 16:40 UTC2h 5m - -
2026-07-07 AA5694 ORD → AUS Jul 7, 14:35 UTCJul 7, 16:45 UTC2h 10m - -
2026-07-06 AB942F ORD → AUS Jul 6, 14:20 UTCJul 6, 16:35 UTC2h 15m - -
2026-07-05 ABA30B ORD → AUS Jul 5, 14:35 UTCJul 5, 16:45 UTC2h 10m - -
2026-07-05 ABA30B ORD → AUS Jul 5, 14:38 UTCJul 5, 16:47 UTC2h 9m +37m -4m
2026-07-04 A3A0CF ORD → AUS Jul 4, 14:25 UTCJul 4, 16:40 UTC2h 15m - -
2026-07-03 A83781 - Jul 3, 14:30 UTCJul 3, 16:40 UTC2h 10m - -
2026-07-02 AB1644 ORD → AUS Jul 2, 14:50 UTCJul 2, 16:55 UTC2h 5m - -

Performance history

Flights tracked
142 showing last 30
Avg arrival delay
+6m
On-time arrival
80% 80% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 36
May 2026 38
April 2026 37

UAL1688 frequently asked

Where does flight UAL1688 fly?
UAL1688 (United Airlines) flies from IAD to IAH. View the full route page.
How long is flight UAL1688?
Based on observed flights, UAL1688 takes on average 2h 10m from takeoff to landing.
How often does UAL1688 fly?
UAL1688 has been observed flying daily in our tracking data. We've recorded 142 flights under this callsign.
Is flight UAL1688 usually on time?
Across recent flights, UAL1688 arrives with an average 6-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1688?
UAL1688 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1688 live?
Yes. When UAL1688 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.