Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL688

Operated by United Airlines

Live map

Live map filtered to UAL688. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
10:33 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
340° / 7 kt
Visibility
10 SM
Ceiling
SCT 9,500 ft, BKN 12,000 ft, BKN 25,000 ft
Temp / Dew
26°C / 20°C
Altimeter
30.03 inHg

Obs: 2026-08-28T13:52:00.000Z

Raw METAR / TAF 
METAR KIAD 281352Z 34007KT 10SM SCT095 BKN120 BKN250 26/20 A3003 RMK AO2 SLP167 T02560200

TAF KIAD 281121Z 2812/2918 00000KT P6SM FEW050 BKN150 FM281900 35007KT P6SM BKN060 FM290600 35005KT P6SM SCT070

flight Live Traffic

flight_takeoff 144 Departures
flight_land 135 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
10:33 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
250° / 7 kt
Visibility
10 SM
Ceiling
FEW 1,300 ft, BKN 14,000 ft, BKN 25,000 ft
Temp / Dew
26°C / 21°C
Altimeter
29.99 inHg

Obs: 2026-08-28T13:54:00.000Z

Raw METAR / TAF 
METAR KBOS 281354Z 25007KT 10SM FEW013 BKN140 BKN250 26/21 A2999 RMK AO2 SLP156 T02610206

TAF KBOS 281120Z 2812/2918 19007KT P6SM SCT010 SCT025 FM281500 12005KT P6SM BKN050 PROB30 2818/2821 4SM TSRA OVC040CB FM282300 21004KT P6SM BKN100 FM290300 33007KT P6SM SCT090 FM291500 04008KT P6SM FEW250

flight Live Traffic

flight_takeoff 203 Departures
flight_land 202 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AA7F09 IAD → BOS Jul 26, 22:00 UTCJul 26, 22:15 UTC15m - -
2026-07-26 ABB440 IAD → BOS Jul 26, 17:45 UTCJul 26, 19:40 UTC1h 55m - -
2026-07-25 A449A1 IAD → BOS Jul 25, 21:45 UTCJul 25, 22:50 UTC1h 5m - -
2026-07-25 AB0ED6 IAD → BOS Jul 25, 17:40 UTCJul 25, 19:35 UTC1h 55m - -
2026-07-24 A44984 IAD → BOS Jul 24, 22:05 UTCJul 24, 23:05 UTC1h 0m - -
2026-07-24 A53EE2 IAD → BOS Jul 24, 17:40 UTCJul 24, 19:35 UTC1h 55m - -
2026-07-24 A53EE2 IAD → BOS Jul 24, 17:41 UTCJul 24, 19:34 UTC1h 53m +11m -12m
2026-07-23 AA7EBC IAD → BOS Jul 23, 21:50 UTCJul 23, 22:50 UTC1h 0m - -
2026-07-23 ABA91B IAD → BOS Jul 23, 17:45 UTCJul 23, 19:35 UTC1h 50m - -
2026-07-22 A44939 IAD → BOS Jul 22, 22:10 UTCJul 22, 23:15 UTC1h 5m - -
2026-07-22 AB3655 IAD → BOS Jul 22, 17:40 UTCJul 22, 19:35 UTC1h 55m - -
2026-07-22 A5D713 IAD → BOS Jul 22, 03:50 UTCJul 22, 05:15 UTC1h 25m - -
2026-07-20 A12AC2 IAD → BOS Jul 20, 21:50 UTCJul 20, 23:05 UTC1h 15m - -
2026-07-20 ABACD2 IAD → BOS Jul 20, 17:55 UTCJul 20, 19:55 UTC2h 0m - -
2026-07-19 A12AE4 IAD → BOS Jul 19, 21:49 UTCJul 19, 23:08 UTC1h 19m +24m -13m
2026-07-19 A12AE4 - Jul 19, 22:00 UTCJul 19, 23:00 UTC1h 0m - -
2026-07-19 AB8553 - Jul 19, 18:00 UTCJul 19, 20:05 UTC2h 5m - -
2026-07-18 ABA30B - Jul 18, 17:40 UTCJul 18, 21:05 UTC3h 25m - -
2026-07-17 A12F75 IAD → BOS Jul 17, 22:00 UTCJul 17, 23:10 UTC1h 10m - -
2026-07-17 AB3655 - Jul 17, 17:44 UTCJul 17, 19:49 UTC2h 5m - -
2026-07-16 A44962 IAD → BOS Jul 16, 21:49 UTCJul 16, 23:32 UTC1h 43m +24m +26m
2026-07-16 A44962 IAD → BOS Jul 16, 22:00 UTCJul 16, 23:29 UTC1h 30m - -
2026-07-16 AB97E6 - Jul 16, 17:49 UTCJul 16, 19:55 UTC2h 5m - -
2026-07-15 AA7F46 IAD → BOS Jul 15, 22:40 UTCJul 15, 23:50 UTC1h 10m - -
2026-07-15 ABB440 - Jul 15, 17:35 UTCJul 15, 19:40 UTC2h 5m - -
2026-07-14 A445A9 IAD → BOS Jul 14, 21:35 UTCJul 14, 22:50 UTC1h 14m - -
2026-07-14 AB5A1D - Jul 14, 17:40 UTCJul 14, 19:50 UTC2h 10m - -
2026-07-13 A12F70 IAD → BOS Jul 13, 22:05 UTCJul 13, 23:30 UTC1h 25m - -
2026-07-13 A5F581 - Jul 13, 17:45 UTCJul 13, 19:50 UTC2h 5m - -
2026-07-12 A5D2F9 IAD → BOS Jul 12, 21:49 UTCJul 12, 22:47 UTC58m +24m +4m

Performance history

Flights tracked
240 showing last 30
Avg arrival delay
+1m
On-time arrival
75% 75% on time
Aircraft used
25

Monthly activity 4 months

Month Flights tracked
July 2026 57
June 2026 67
May 2026 69
April 2026 47

UAL688 frequently asked

Where does flight UAL688 fly?
UAL688 (United Airlines) flies from IAD to BOS. View the full route page.
How long is flight UAL688?
Based on observed flights, UAL688 takes on average 1h 36m from takeoff to landing.
How often does UAL688 fly?
UAL688 has been observed flying several times a week in our tracking data. We've recorded 240 flights under this callsign.
Is flight UAL688 usually on time?
Across recent flights, UAL688 arrives with an average 1-minute delay. 75% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL688?
UAL688 has been operated by 25 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL688 live?
Yes. When UAL688 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.