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BTS> TranStats
(The month selection does not apply to on-time data.)Show all airports (by state)
Sidney, MT: Sidney Richland Regional (SDY)Scheduled Services except Freight/MailBTS Data as of 10/11/2026
Summary Data (U.S. Flights Only)Carrier Shares for August 2025 - July 2026
Passengers*2025**2026**%ChgRank***
Arrival6,8736,762-1.62%418
Departure7,0937,059-0.48%417
Scheduled Flights
Departures1,6921,681-0.65%292
Freight/Mail (lb.) (Scheduled and Non-Scheduled)
Total980--100.00%-
Carriers
Scheduled21-50.00%
* Scheduled enplaned revenue passengers.
** 12 months ending July of each year.
*** Among 765 U.S. airports, 12 months ending July 2026
CarrierPassengersShare
Hyannis 13.82100.00%
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Other0.000.00%
Based on enplaned passengers(000) both arriving and departing.
Total Passengers (U.S. Flights, in thousands)Top 10 Destination Airports (U.S. Only, Passengers (000))
*  Before October 2002, only carriers operating aircraft with more than 60 seats or 18,000 pounds in payload reported traffic data.
** 2026 represents data for August 2025 - July 2026.
Source: T-100 Domestic Market (US Carriers).
SDY vs. National Departure Delays (Major U.S. Carriers)SDY On-Time Performance Summary (Major U.S. Carriers Only)


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