SY4055Sun Country Airlines · BOI → CVG
live · 23m ago
Route confirmed Sun Country Airlines

SY4055 BoiseBOI · 21:40 Cincinnati / CovingtonCVG · 02:52

SY4055 by Sun Country Airlines flies from Boise (BOI) to Cincinnati / Covington (CVG).

Right nowNext departure today Operates daily
21:40

scheduled from BOI

Typical gate push+54 minmedian posted departure
Typical arrival+58 minmedian over 1 operations

The route today

live boards
BOIBoiseModerate riskBOI delay board →
CVGCincinnati / CovingtonOn-time likelyCVG delay board →
BOI→CVGevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
48%Chance of 15+ min delay
1.5%Chance of cancellation
+11 minAvg hub delay right now

Conditions at BOI and CVG 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 Cincinnati / Covington flights today

same route · Sun Country Airlines
SY3055departs 07:00

If SY4055 is cancelled, this is the other Sun Country Airlines nonstop flight from Boise to Cincinnati / Covington 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 SY4055 actually runs

Pro Flight Search has tracked every published board update for SY4055 across the BOI and CVG boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed +58 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how SY4055 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
10-24BOI 21:40 22:34 (+54)CVG 02:52 03:50 (+58)

Aircraft

Recent tails: N5693A.

Board clocks recorded as BOI and CVG 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 — SY4055 Boise to Cincinnati / Covington on-time performance, measured from the BOI and CVG airport boards.

Canonical URL
https://proflightsearch.com/flight/SY4055
How we measure this →