Roberts Field in September 2025

86.7%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In September 2025, reporting carriers scheduled 595 domestic departures from Roberts Field (RDM). 86.7% left less than 15 minutes late and 84.2% reached their destination on time; 0.3% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so RDM departures were 3.6 points above the national departure figure.

A year earlier, in September 2024, the airport had 529 departures with 86.2% leaving on time: a change of +0.5 points, with flights up 12%.

Flights arriving at RDM that month were on time 86.2% of the time (595 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, national aviation system 27% and late-arriving aircraft 26%.

On time 84.2%
Arrived 15+ minutes late 15.3%
Cancelled 0.3%
Diverted 0.2%

Every scheduled departure from RDM in September 2025, judged by arrival at the destination.

September 2025 against a year earlier, the airport's year and the nation

Measure	Sep 2025	Sep 2024	RDM, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	86.7%	86.2%	82.8%	83.1%
Arrived on time	84.2%	80.7%	81.3%	82.8%
Cancelled	0.3%	0.0%	1.1%	0.5%
Average departure delay (late minutes only)	7.0 min	12.4 min	12.7 min	12.2 min
Scheduled departures a day	20	18	18	18,748
Scheduled departures	595	529	6,680	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	353	59%	84.1%	-1.9 min	0.6%
UA United Airlines	120	20%	80.0%	4.4 min	0.0%
AS Alaska Airlines	60	10%	88.3%	2.3 min	0.0%
MQ Envoy Air	60	10%	90.0%	0.2 min	0.0%
AA American Airlines	2	0%	50.0%	27.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RDM–SEA	Bend/Redmond to Seattle	210	84.8%	-2.3 min	0.5%
RDM–SFO	Bend/Redmond to San Francisco	113	73.5%	4.7 min	0.0%
RDM–DEN	Bend/Redmond to Denver	60	78.3%	8.5 min	0.0%
RDM–PHX	Bend/Redmond to Phoenix	60	90.0%	0.2 min	0.0%
RDM–SAN	Bend/Redmond to San Diego	60	91.7%	-2.3 min	1.7%
RDM–SLC	Bend/Redmond to Salt Lake City	60	93.3%	-4.2 min	0.0%
RDM–LAX	Bend/Redmond to Los Angeles	30	90.0%	-5.7 min	0.0%
RDM–DFW	Bend/Redmond to Dallas/Fort Worth	2	50.0%	27.5 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	38.3%	34.3%	1,662
Late-arriving aircraft	25.8%	37.4%	1,122
National Aviation System	26.9%	22.6%	1,167
Extreme weather	9.1%	5.6%	394
Security	0.0%	0.1%	0

4,345 delay minutes on 91 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left RDM on time in September 2025?

86.7% of 595 scheduled domestic departures left less than 15 minutes late, and 84.2% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 86.2% of 529 departures left on time and 0.0% were cancelled, against 86.7% and 0.3% in September 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for RDM · methodology · corrections.