ON TIMEBOARD

RDM → PDX on time

Roberts (Bend/Redmond, OR) to Portland (Portland, OR). Every scheduled flight, September 2025 to August 2026.

On time
88%
arrived < 15 min late
Cancelled
0.7%
1,099 flights
Typical arrival
−8 min
median vs schedule
When late
+63 min
average delay
Flights / day
3
1 airline

88% of flights from Bend to Portland arrived on time over the past 12 months. That is better than the typical U.S. route. The 5 a.m. departures ran on time 94% of the time; the 4 p.m. ones 82%. 4% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for RDM → PDX: when a flight was late, it was under 45 minutes late 62% of the time. About 1 in 32 flights landed an hour or more late, and 1 in 122 three hours or more; 0.7% were cancelled outright.

Share of all 1,099 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines1,09988%0.7%−8 min3.1%+63 minHorizon Air 75%, SkyWest 25%

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at RDM). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 94% on time (355 flights)945a6 a.m. departures: too few flights6a7 a.m. departures: too few flights7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: 85% on time (351 flights)8512p1 p.m. departures: too few flights (3 flights)1p2 p.m. departures: too few flights2p3 p.m. departures: 87% on time (225 flights)873p4 p.m. departures: 82% on time (113 flights)824p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights (52 flights)7p
RDM → PDX, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On RDM → PDX, each airline's last flight of the day was cancelled 0.8% of the time, against 0.7% for its earlier flights, about the same. It arrived 3+ hours late 0.5% of the time (earlier flights: 0.9%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Alaska Airlines7:49 p.m.0.8%0.5%0.7%first flight 5:25 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: November (91%). Worst: January (76%).

40%70%100%Jan: 76% on time (174 flights)76JanFeb: 79% on time (151 flights)79FebMar: 89% on time (163 flights)89MarApr: 90% on time (151 flights)90AprMay: 90% on time (168 flights)90MayJun: 90% on time (189 flights)90JunJul: 88% on time (212 flights)88JulAug: 87% on time (191 flights)87AugSep: too few flights (90 flights)SepOct: 87% on time (150 flights)87OctNov: 91% on time (143 flights)91NovDec: 80% on time (177 flights)80Dec

By day of week

DayFlightsOn timeCancelled
Monday16992%1.8%
Tuesday15588%0.7%
Wednesday15488%0.7%
Thursday16585%0.6%
Friday16583%1.2%
Saturday13294%0.0%
Sunday15987%0.0%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 52%Late inbound plane 37%Air traffic & airport (NAS) 9%Severe weather 2%

Cancellations: weather 4 · air traffic/airport 3 · airline 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AS 20435:25 a.m.31593%0.9%−9 minHorizon Air

Worst days in the past year

DateFlightsOn timeCancelled
Jan 1, 202630%0
May 14, 2026333%0
Aug 21, 2026333%0
Aug 4, 2026333%0
Dec 28, 2025333%0

Questions

How often are flights from RDM to PDX on time?

88% of 1,099 scheduled flights from Bend/Redmond, OR to Portland, OR arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.

What is the best time of day to fly RDM to PDX?

Flights scheduled to leave at 5 a.m. were the most reliable (94% on time). The 4 p.m. departures were the least (82%).

What month has the most delays from RDM to PDX?

January (76% on time). The best month is November (91%), over 2023–2026.

Is the last flight of the day from RDM to PDX more likely to be cancelled?

Not much. Each airline's last RDM–PDX flight of the day was cancelled 0.8% of the time over the past year, against 0.7% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.