UA1399 New YorkEWR · 21:44 Kansas CityMCI · 23:59
UA1399 by United Airlines flies from New York (EWR) to Kansas City (MCI) for the Mon, Sep 7 departure.
departs EWR · on schedule
board checked 40m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at EWR and MCI 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to Kansas City flights today
same route · United AirlinesIf UA1399 is cancelled, this is the other United Airlines nonstop flight from New York to Kansas City on the same day, with scheduled departure times in EWR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA1399 actually runs
Pro Flight Search has tracked every published board update for UA1399 across the EWR and MCI boards: schedule changes, gate pushes and actual clocks. Usually departs ~10 min late. Based on 4 confirmed departures · 3/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA1399 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as EWR and MCI published them.
Planning around UA1399? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA1399 New York to Kansas City on-time performance, measured from the EWR and MCI airport boards.
https://proflightsearch.com/flight/UA1399
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