BIL → SDYBillings to Sidney

live

Direct flights from Billings (BIL) to Sidney (SDY): 7 nonstop departures observed each week across 1 airline. 73% of the last 26 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 26 tracked flights. The nonstop covers 393 km, an estimated 1 hour 0 minutes in the air. Measured by Pro Flight Search from live flight boards at Billings and Sidney. Updated 19 September 2026 at 04:03 UTC.

BIL Billings smooth · +0
SDY Sidney tracking
393 km · ~1h 00m est.
dep bank 07:25–18:067x weekly
Runs mixed · 1 airline · 7x weekly · nonstop
73% on time

of the last 26 operated BIL → SDY flights arrived within 15 minutes

Median arrival delay is +2 min. 0 of 26 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+2 minacross the last 26 operated legs
Flight time~1h 00mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 26

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Cape Air

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days

History

operated legs · board outcomes
09-189K1775departed−2
09-189K1777departed+34
09-189K1781departed+3
09-189K1785departed−4
09-189K1789departed−8
09-179K1775departed+2
09-179K1777departed+104
09-179K1785departed−26
09-179K1789departed+26
09-179K5819departed+0
09-169K1775departed+87
09-169K1777departed+47
09-169K1781departed−3
09-169K1789departed−5
09-159K1775departed−14
09-159K1777departed+20
09-159K1781departed+1
09-159K1785departed−5
09-159K88departed+6
09-149K1777departed+5
09-139K1777departed−4
09-139K1781departed−10
09-139K1789departed+4
09-129K1775departed+14
09-129K1777departed−9
09-129K1781departed+31

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
BILBillings +0 min smooth ⛅ overcast · N 12 kt Full BIL delay board →
SDYSidney tracking Full SDY delay board →

How the Billings to Sidney route actually runs

Pro Flight Search records official board updates for nonstop BIL to SDY flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · 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 — Billings (BIL) to Sidney (SDY) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/BIL-SDY
How we measure this →

BIL to SDY questions

Is BIL–SDY running on time right now?

Some delays possible. Both endpoints currently score the same, route health score 58/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on BIL–SDY?

Operators schedule morning departures around 07:25 and evening departures around 18:06 from BIL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SDY delay card to confirm conditions when you'd arrive.

How long is the flight from BIL to SDY?

Great-circle distance is 393 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 58–64 min gate-to-gate on this route.

How often does BIL–SDY fly?

Cape Air runs the route with about 34 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.