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United Airlines

Is UA6255 delayed?

UA6255 left Knoxville 3 min early, at 19:34 on Sep 29; its arrival time is not confirmed yet.

Usually on time: arrived within 15 min of schedule on 23 of the last 24 flights.

DepartedLast reported

3 min early

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Knoxville

TYS

Actual

Scheduled 19:37

Sep 29

Arrival

Dulles

IAD

Scheduled

Sep 29

Times shown in airport local time

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

In the air. The market on this flight settles on the airport’s recorded arrival.

View this flight’s marketHow this market settles

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Recent arrivals

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

  • Knoxville → Dulles

    26 min early

  • Knoxville → Dulles

    17 min early

  • Knoxville → Dulles

    6 min early

  • Knoxville → Dulles

    22 min early

  • Knoxville → Dulles

    26 min early

Is UA6255 usually late?

Observation window: Aug 31, 2026 – Sep 30, 2026

Observed arrivals
24
On time
96%
of 24 arrivals
Late
4%
of 24 arrivals
Cancelled
0%
of 25 flights
Median arrival delay
20 min early
9 in 10 arrived within
2 min early

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. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

At the airports today

Dulles (IAD) departures

Left more than 15 min late
27 of 178
Cancelled today
0

Related flights

Other flights KTYS → IAD

All United Airlines flights

Flight history and details
UA6255 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 28, 2026ArrivedKnoxvilleDulles-26
Sep 27, 2026ArrivedKnoxvilleDulles-17
Sep 26, 2026ArrivedKnoxvilleDulles-6
Sep 25, 2026ArrivedKnoxvilleDulles-22
Sep 24, 2026ArrivedKnoxvilleDulles-26
Sep 22, 2026ArrivedKnoxvilleDulles-28
Sep 21, 2026ArrivedKnoxvilleDulles0
Sep 20, 2026ArrivedKnoxvilleDulles-9
Sep 19, 2026ArrivedKnoxvilleDulles-11
Sep 18, 2026ArrivedKnoxvilleDulles-17
Sep 17, 2026ArrivedKnoxvilleDulles-11
Sep 16, 2026ArrivedKnoxvilleDulles-28
Sep 15, 2026ArrivedKnoxvilleDulles-27
Sep 14, 2026ArrivedKnoxvilleDulles-21
Sep 13, 2026ArrivedKnoxvilleDulles-17
Sep 12, 2026ArrivedKnoxvilleDulles-22
Sep 11, 2026ArrivedKnoxvilleDulles22
Sep 10, 2026ArrivedKnoxvilleDulles-28
Sep 9, 2026ArrivedKnoxvilleDulles-23
Sep 8, 2026ArrivedKnoxvilleDulles-24
Sep 7, 2026ArrivedKnoxvilleDulles-19
Sep 6, 2026ArrivedKnoxvilleDulles-19
Sep 5, 2026ArrivedKnoxvilleDulles-31
Sep 4, 2026ArrivedKnoxvilleDulles5

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