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United Airlines

Is UA688 delayed?

No delay reported yet. UA688 is scheduled to leave Dulles at 17:38 on Nov 14 and reach Boston at 18:51 (as of Nov 14, 15:58 UTC).

Usually on time: arrived within 15 min of schedule on 23 of the last 38 flights.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Dulles

IAD

Scheduled

Nov 14

Arrival

Boston

BOS

Scheduled

Nov 14

Times shown in airport local time

Service date: · Scheduled departure date (America/New_York)

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Route overview: Dulles → BostonIADBOS
Dulles → Boston

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • Dulles → Boston

    79 min late

  • Dulles → Boston

    9 min early

  • Dulles → Boston

    66 min late

  • Dulles → Boston

    16 min late

  • Dulles → Boston

    On time

Is UA688 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
38
On time
61%
of 38 arrivals
Late
39%
of 38 arrivals
Cancelled
3%
of 39 flights
Median arrival delay
1 min early
9 in 10 arrived within
72 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Dulles (IAD) departures

Left more than 15 min late
17 of 46
Cancelled today
28
Flights from Dulles to Boston today

Boston (BOS) departures

Left more than 15 min late
27 of 53
Cancelled today
53

Related flights

All United Airlines flights

Flight history and details
UA688 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026CancelledDullesBostonNot availableNot available
Nov 12, 2026ArrivedDullesBoston79
Nov 11, 2026ArrivedDullesBoston-9
Nov 10, 2026ArrivedDullesBoston66
Nov 9, 2026ArrivedDullesBoston16
Nov 8, 2026ArrivedDullesBoston0
Nov 7, 2026ArrivedDullesBoston91
Nov 6, 2026ArrivedDullesBoston73
Nov 5, 2026ArrivedDullesBoston5
Nov 4, 2026ArrivedDullesBoston-6
Nov 3, 2026ArrivedDullesBoston18
Nov 2, 2026ArrivedDullesBoston37
Nov 1, 2026ArrivedDullesBoston-3
Oct 31, 2026ArrivedDullesBoston-10
Oct 30, 2026ArrivedDullesBoston49
Oct 29, 2026ArrivedDullesBoston-16
Oct 28, 2026ArrivedDullesBoston15
Oct 27, 2026ArrivedDullesBoston-9
Oct 26, 2026ArrivedDullesBoston-4
Oct 25, 2026ArrivedDullesBoston36
Oct 24, 2026ArrivedDullesBoston-11
Oct 24, 2026ArrivedSanta AnaDulles26
Oct 23, 2026ArrivedDullesBoston-13
Oct 23, 2026ArrivedSanta AnaDulles-21
Oct 22, 2026ArrivedDullesBoston13
Oct 22, 2026ArrivedSanta AnaDulles17
Oct 21, 2026ArrivedDullesBoston71
Oct 21, 2026ArrivedSanta AnaDulles-14
Oct 20, 2026ArrivedDullesBoston111
Oct 20, 2026ArrivedSanta AnaDulles-14
Oct 19, 2026ArrivedDullesBoston-16
Oct 19, 2026ArrivedSanta AnaDulles-12
Oct 18, 2026ArrivedDullesBoston44
Oct 18, 2026ArrivedSanta AnaDulles19
Oct 17, 2026ArrivedDullesBoston-31
Oct 17, 2026ArrivedSanta AnaDulles-16
Oct 16, 2026ArrivedDullesBoston-12
Oct 16, 2026ArrivedSanta AnaDulles-1
Oct 15, 2026ArrivedDullesBoston-35
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