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UAL688

IAD → BOS · Boeing 737-900 · United Airlines

For travellers

Departure · Washington, DC (IAD)

Gate D14
Scheduled 30 Sep 17:15 · Departed 30 Sep 17:55 · +40 min
Board status: InAir
Airborne since 30 Sep 18:04 (ADS-B)

Arrival · Boston (BOS)

Terminal B · Gate B29 · Baggage belt 7
Scheduled 30 Sep 19:06 · Landed 30 Sep 19:46 · +40 min
Board status: Arrived
Landed 30 Sep 19:46 (airport data)

Board data from bos, mwaa, updated 1982 min ago; times local to each airport.

Flight

Status
Completed (landing confirmed by airport data)
Arrival confirmed via
Airport data (confirmed)
Departure
Washington Dulles International Airport (IAD) — Washington, DC, United States
Scheduled departure
2026-09-30 21:15 UTC
Departed
2026-09-30 22:04 UTC
Arrival
General Edward Lawrence Logan International Airport (BOS) — Boston, United States
Scheduled arrival
2026-09-30 23:06 UTC
Estimated arrival
2026-09-30 23:40 UTC
Also flies as
UA688
Codeshares
AV2022, CM1085, LH7450, OS7887, SN8833
Distance flown
869 km
Straight-line distance
664 km

Aircraft

Registration
N38446
Type
Boeing 737-900
Seats
179 total (117 Economy, 42 Economy Plus, 20 First)
CO2 (EMEP est., total)
17.2 t (131 kg/pax Business, 91 kg/pax Economy)

Altitude & speed

Max altitude
29,000 ft
Max ground speed
461 kt
Tracked
1h 47m · 866 km
Altitude (ft, max 29,000)
015,66031,3200m30m1h 0m1h 30m
Ground speed (kt, max 461)
02494980m30m1h 0m1h 30m
Altitude (ft, max 29,000)
015,66031,3200m1h 0m
Ground speed (kt, max 461)
02494980m1h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-01 21:25 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N75426 Boeing 737-900 Completed (landing confirmed by airport data) 841 km
2026-10-01 15:41 UTC UAL688 SNA → IAD
Santa Ana → Washington, DC
 N27734 Boeing 737-700 Completed 3790 km
2026-09-30 22:04 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N38446 Boeing 737-900 Completed (landing confirmed by airport data) 869 km
2026-09-30 15:35 UTC UAL688 SNA → IAD
Santa Ana → Washington, DC
 N27724 Boeing 737-700 Completed (landing confirmed by airport data) 3782 km
2026-09-29 23:22 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N37422 Boeing 737-900 Completed 785 km
2026-09-29 15:33 UTC UAL688 SNA → IAD
Santa Ana → Washington, DC
 N24715 Boeing 737-700 Completed 3851 km
2026-09-28 15:42 UTC UAL688 SNA → IAD
Santa Ana → Washington, DC
 N23707 Boeing 737-700 Completed 3787 km
2026-09-27 21:40 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N66893 Boeing 737-900 Completed 815 km
2026-09-27 15:46 UTC UAL688 SNA → IAD
Santa Ana → Washington, DC
 N23707 Boeing 737-700 Completed 3810 km
2026-09-27 02:32 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N846UA Airbus A319 Completed 734 km
2026-09-26 15:30 UTC UAL688 SNA → IAD
Santa Ana → Washington, DC
 N54711 Boeing 737-700 Completed 3805 km
2026-09-25 21:30 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N66893 Boeing 737-900 Completed 721 km
2026-09-25 15:51 UTC UAL688 SNA → IAD
Santa Ana → Washington, DC
 N54711 Boeing 737-700 Completed 3882 km
2026-09-24 23:46 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N36447 Boeing 737-900 Completed 726 km
2026-09-24 15:34 UTC UAL688 SNA → IAD
Santa Ana → Washington, DC
 N54711 Boeing 737-700 Completed 3903 km
2026-09-23 23:45 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N34455 Boeing 737-900 Completed 718 km
2026-09-22 23:40 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N38451 Boeing 737-900 Completed 730 km
2026-09-22 00:01 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N68817 Boeing 737-900 Completed 770 km
2026-09-20 23:40 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N37465 Boeing 737-900 Completed 848 km
2026-09-19 21:26 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N77592 Boeing 737 MAX 9 Completed 816 km
2026-09-18 22:23 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N61887 Boeing 737-900 Completed 847 km
2026-09-18 01:13 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N67815 Boeing 737-900 Completed 856 km
2026-09-16 23:34 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N38454 Boeing 737-900 Completed 873 km
2026-09-15 23:22 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N69824 Boeing 737-900 Completed 881 km
2026-09-14 21:30 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N68452 Boeing 737-900 Completed 755 km
2026-09-14 00:05 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N69826 Boeing 737-900 Completed 878 km
2026-09-13 01:46 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N37295 Boeing 737 MAX 8 Completed 872 km
2026-09-11 23:00 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N69847 Boeing 737-900 Completed 803 km
2026-09-10 21:55 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N75436 Boeing 737-900 Completed 922 km
2026-09-09 22:49 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N39450 Boeing 737-900 Completed 990 km
2026-09-07 21:46 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N37427 Boeing 737-900 Completed 748 km
2026-09-07 01:38 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N68822 Boeing 737-900 Completed 817 km
2026-09-05 22:25 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N28478 Boeing 737-900 Completed 758 km
2026-09-04 21:39 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N78448 Boeing 737-900 Completed 738 km
2026-09-03 23:10 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N37437 Boeing 737-900 Completed 846 km
2026-09-02 21:47 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N68823 Boeing 737-900 Completed 798 km
2026-09-01 22:35 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N68805 Boeing 737-900 Completed 1147 km
2026-08-31 21:16 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N75435 Boeing 737-900 Completed 935 km
2026-08-30 21:32 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N38446 Boeing 737-900 Completed 827 km
2026-08-29 21:30 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N68880 Boeing 737-900 Completed 774 km
2026-08-28 21:49 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N69829 Boeing 737-900 Completed 849 km
2026-08-27 21:35 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N37434 Boeing 737-900 Completed 866 km
2026-08-26 21:21 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N37456 Boeing 737-900 Completed 775 km
2026-08-25 21:29 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N62894 Boeing 737-900 Completed 826 km
2026-08-24 21:30 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N28478 Boeing 737-900 Completed 832 km
2026-08-23 23:13 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N61882 Boeing 737-900 Completed 946 km
2026-08-22 23:27 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N75435 Boeing 737-900 Completed 1178 km
2026-08-21 18:12 UTC UAL688 IAH → BOS
Houston → Boston
 N66848 Boeing 737-900 Completed 4651 km
2026-08-20 21:49 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N37437 Boeing 737-900 Completed 1286 km
2026-08-19 21:24 UTC UAL688 IAD → BOS
Washington, DC → Boston
 N69819 Boeing 737-900 Completed 1053 km

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