UA4311United Airlines · TYS → IAD
live · 40m ago
Route confirmed United Airlines

UA4311 Knoxville/MaryvilleTYS WashingtonIAD · 07:25

UA4311 by United Airlines flies from Knoxville/Maryville (TYS) to Washington (IAD).

Right nowNext departure today Operates daily
05:45

scheduled from TYS

Typical arrival−23 minmedian over 14 operations
Cancellation0 in 14tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-15
−23 arrival
10-14
−19 arrival
10-13
−23 arrival
10-12
−13 arrival
10-11
−20 arrival
10-10
−33 arrival
10-09
−41 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −23 min · 0 cancelled · 14 operations tracked

The route today

live boards
TYSKnoxville/MaryvilleOn-time likelyTYS delay board →
IADWashingtonOn-time likelyIAD delay board →
TYS→IADevery carrier, schedules and on-time historyRoute intelligence →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

How UA4311 actually runs

Pro Flight Search has tracked every published board update for UA4311 across the TYS and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 min early. Based on 14 confirmed landings · 14/14 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA4311 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-15TYS IAD 07:25 07:02 (−23)
10-14TYS IAD 07:25 07:06 (−19)
10-13TYS IAD 07:25 07:02 (−23)
10-12TYS IAD 07:25 07:12 (−13)
10-11TYS IAD 07:25 07:05 (−20)
10-10TYS IAD 07:25 06:52 (−33)
10-09TYS IAD 07:25 06:44 (−41)
10-08TYS IAD 07:25 07:03 (−22)
10-07TYS IAD 07:25 07:02 (−23)
10-06TYS IAD 07:25 06:58 (−27)
10-05TYS IAD 07:25 07:12 (−13)
10-04TYS IAD 07:25 06:57 (−28)
10-03TYS IAD 07:25 07:06 (−19)
10-02TYS IAD 07:25 07:00 (−25)

Aircraft

Recent tails: N13202, N12136, N17196, N14148.

Board clocks recorded as TYS and IAD published them.

Planning around UA4311? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — UA4311 Knoxville/Maryville to Washington on-time performance, measured from the TYS and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4311
How we measure this →