UA646 New YorkEWR · 07:35 Salt Lake CitySLC · 10:36
UA646 by United Airlines flies from New York (EWR) to Salt Lake City (SLC).
scheduled from EWR
⚖ UA646 typically leaves −7 and lands −20. The air wins minutes back.Where the minutes go
last 7 operations · gate push → arrivalThe 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 operationmedian arrival −20 min · 0 cancelled · 8 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at EWR and SLC are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →
Tomorrow at Salt Lake City
ForecastSun 1 Nov, local date
- 97% chance of rain
- Chance a departure leaves 60+ min late
- 13%usually 6.4%
Weather behind it: 97% chance of rain at Salt Lake City; 35% chance of fog at Denver, where 6% of departures go
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 350 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to Salt Lake City flights today
same route · United AirlinesIf UA646 is cancelled, this is the other United Airlines nonstop flight from New York to Salt Lake City on the same day, with scheduled departure times in EWR local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How UA646 actually runs
Pro Flight Search has tracked every published board update for UA646 across the EWR and SLC boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min early. Based on 7 confirmed landings · 7/7 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA646 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N37549, N37507, N37521, N57451.
Board clocks recorded as EWR and SLC published them.
Planning around UA646? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: UA646 New York to Salt Lake City on-time performance, measured from the EWR and SLC airport boards.
https://proflightsearch.com/flight/UA646
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