UA978United Airlines · IAD → EDI
live · 6m ago
Route confirmed United Airlines

UA978 WashingtonIAD EdinburghEDI · 10:35

UA978 by United Airlines flies from Washington (IAD) to Edinburgh (EDI) for the Tue, Sep 8 departure.

Right nowExpected in Edinburgh · today
10:35

arrival expected at EDI · on schedule

Typical arrival−8 minmedian over 2 operations

The route today

live boards
IADWashingtonOn-time likelyIAD delay board →
EDIEdinburghOn-time likelyEDI delay board →
IAD→EDIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
2.5%Chance of cancellation
+7 minAvg hub delay right now

Conditions at IAD and EDI 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.

Other Washington to Edinburgh flights today

same route · United Airlines
UA3032departs 20:23

If UA978 is cancelled, this is the other United Airlines nonstop flight from Washington to Edinburgh on the same day, with scheduled departure times in IAD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA978 actually runs

Pro Flight Search has tracked every published board update for UA978 across the IAD and EDI boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed -8 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA978 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-07IAD EDI 10:35 10:27 (−8)
09-06IAD EDI 10:35 10:15 (−20)

Board clocks recorded as IAD and EDI published them.

Planning around UA978? 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 — UA978 Washington to Edinburgh on-time performance, measured from the IAD and EDI airport boards.

Canonical URL
https://proflightsearch.com/flight/UA978
How we measure this →