UA4678United Airlines · BOI → FAT
live · 43m ago
Route confirmed United Airlines

UA4678 BoiseBOI · 06:20 FresnoFAT · 07:28

UA4678 by United Airlines flies from Boise (BOI) to Fresno (FAT) for the Mon, Oct 26 departure.

Same number through BOI → SFO → FAT

Right nowExpected · today · as of 06:40
06:20

departs BOI · on schedule

The route today

live boards
BOIBoiseHigh riskBOI delay board →
FATFresnoModerate riskFAT delay board →
BOI→FATevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
52%Chance of 15+ min delay
0.8%Chance of cancellation
+13 minAvg hub delay right now

Conditions at BOI and FAT 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 Boise to Fresno flights today

same route · United Airlines
UA4639departs 08:05
UA4661departs 14:51
UA743departs 18:50
UA528departs 19:10

If UA4678 is cancelled, these are the other United Airlines nonstop flights from Boise to Fresno on the same day, with scheduled departure times in BOI local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA4678 actually runs

Pro Flight Search has tracked every published board update for UA4678 across the BOI and FAT boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA4678 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
10-25BOI 06:20FAT
10-23BOI 06:32FAT
10-19BOI 06:32FAT
10-18BOI 06:32FAT

Board clocks recorded as BOI and FAT published them.

Planning around UA4678? 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 — UA4678 Boise to Fresno on-time performance, measured from the BOI and FAT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4678
How we measure this →