Roberts Field in December 2025

82.6%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 December 2025, reporting carriers scheduled 506 domestic departures from Roberts Field (RDM). 82.6% left less than 15 minutes late and 81.0% reached their destination on time; 0.6% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so RDM departures were 10.6 points above the national departure figure.

A year earlier, in December 2024, the airport had 493 departures with 75.1% leaving on time: a change of +7.5 points, with flights up 3%.

Flights arriving at RDM that month were on time 80.7% of the time (507 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, national aviation system 34% and late-arriving aircraft 12%.

On time 81.0%
Arrived 15+ minutes late 18.2%
Cancelled 0.6%
Diverted 0.2%

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

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

Measure	Dec 2025	Dec 2024	RDM, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	82.6%	75.1%	82.8%	72.0%
Arrived on time	81.0%	71.0%	81.3%	71.9%
Cancelled	0.6%	6.7%	1.1%	1.5%
Average departure delay (late minutes only)	13.2 min	22.2 min	12.7 min	21.2 min
Scheduled departures a day	17	16	18	19,410
Scheduled departures	506	493	6,680	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	324	64%	84.9%	0.2 min	0.3%
UA United Airlines	93	18%	67.7%	11.3 min	1.1%
AS Alaska Airlines	46	9%	73.9%	5.8 min	2.2%
MQ Envoy Air	43	8%	88.4%	-10.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RDM–SEA	Bend/Redmond to Seattle	152	83.6%	-0.5 min	0.7%
RDM–SFO	Bend/Redmond to San Francisco	91	64.8%	25.9 min	1.1%
RDM–DEN	Bend/Redmond to Denver	62	75.8%	2.7 min	1.6%
RDM–SLC	Bend/Redmond to Salt Lake City	62	88.7%	-3.8 min	0.0%
RDM–PHX	Bend/Redmond to Phoenix	59	89.8%	-10.9 min	0.0%
RDM–BUR	Bend/Redmond to Burbank	31	77.4%	-12.8 min	0.0%
RDM–LAX	Bend/Redmond to Los Angeles	31	90.3%	-2.0 min	0.0%
RDM–PDX	Bend/Redmond to Portland	18	94.4%	-9.7 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	42.1%	33.3%	2,644
Late-arriving aircraft	12.2%	41.1%	765
National Aviation System	34.0%	19.1%	2,136
Extreme weather	10.8%	6.4%	675
Security	0.9%	0.2%	56

6,276 delay minutes on 92 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 December 2025?

82.6% of 506 scheduled domestic departures left less than 15 minutes late, and 81.0% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 75.1% of 493 departures left on time and 6.7% were cancelled, against 82.6% and 0.6% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 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.