UA803United Airlines · IAD → HND
live · 3m ago
Route confirmed United Airlines

UA803 WashingtonIAD · 12:35 TokyoHND · 15:55

UA803 by United Airlines flies from Washington (IAD) to Tokyo (HND) for the Mon, Sep 14 departure.

Right nowEn route to Tokyo · off blocks 13:31 · 56 min late
17:00

estimated arrival at HND · local time · ~5h 43m from now

En routeUA803 · position estimated
IADWashingtonHNDTokyo
Estimated from the boardsarr 17:00

Board estimate · gate and arrival times. Off blocks 13:31 · typical taxi-out at IAD ≈ 8.9 min. No receiver coverage over open ocean.

Typical gate push+22 minmedian posted departure
Typical arrival+24 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
09-14
+56 gate · +65 arrival
09-13
+76 gate · +57 arrival
09-12
+19 gate · +3 arrival
09-11
+21 gate · +27 arrival
09-10
+22 gate · +24 arrival
09-09
+12 gate · −4 arrival
09-08
+18 gate · −3 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 +24 min · 0 cancelled · 14 operations tracked

The route today

live boards
IADWashingtonModerate riskIAD delay board →
HNDTokyoOn-time likelyHND delay board →
IAD→HNDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
3.5%Chance of cancellation
+9 minAvg hub delay right now

Conditions at IAD and HND are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

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 UA803 actually runs

Pro Flight Search has tracked every published board update for UA803 across the IAD and HND boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min late. Based on 13 confirmed landings · 6/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA803 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
09-14IAD 12:35 13:31 (+56)HND 15:55 17:00 (+65)
09-13IAD 12:35 13:51 (+76)HND 15:55 16:52 (+57)
09-12IAD 12:35 12:54 (+19)HND 15:55 15:58 (+3)
09-11IAD 12:35 12:56 (+21)HND 15:55 16:22 (+27)
09-10IAD 12:35 12:57 (+22)HND 15:55 16:19 (+24)
09-09IAD 12:35 12:47 (+12)HND 15:55 15:51 (−4)
09-08IAD 12:35 12:53 (+18)HND 15:55 15:52 (−3)
09-07IAD 12:50 13:07 (+17)HND 15:55 16:02 (+7)
09-06IAD 12:50 15:44 (+174)HND 15:55 18:30 (+155)
09-05IAD 12:50 13:24 (+34)HND 15:55 16:01 (+6)
09-04IAD 12:50 13:32 (+42)HND 15:55 16:25 (+30)
09-03IAD 12:50 14:46 (+116)HND 15:55 17:37 (+102)
09-02IAD 12:50 13:05 (+15)HND 15:55 16:05 (+10)
09-01IAD 12:50 13:08 (+18)HND 15:55 16:13 (+18)

Aircraft

Recent tails: N217UA, N787UA, N78004, N77014.

Board clocks recorded as IAD and HND published them.

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 — UA803 Washington to Tokyo on-time performance, measured from the IAD and HND airport boards.

Canonical URL
https://proflightsearch.com/flight/UA803
How we measure this →