ON TIMEBOARD

PDX → RDM on time

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

On time
88%
arrived < 15 min late
Cancelled
0.8%
1,097 flights
Typical arrival
−6 min
median vs schedule
When late
+49 min
average delay
Flights / day
3
1 airline

88% of flights from Portland to Bend arrived on time over the past 12 months. That is better than the typical U.S. route. The 11 a.m. departures ran on time 90% of the time; the 2 p.m. ones 87%. 3% 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 PDX → RDM: when a flight was late, it was under 45 minutes late 65% of the time. About 1 in 38 flights landed an hour or more late, and 1 in 366 three hours or more; 0.8% were cancelled outright.

Share of all 1,097 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines1,09788%0.8%−6 min2.6%+49 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 PDX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%10 a.m. departures: 89% on time (244 flights)8910a11 a.m. departures: 90% on time (109 flights)9011anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: 87% on time (340 flights)872p3 p.m. departures: too few flights3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights (53 flights)6p7 p.m. departures: too few flights7p8 p.m. departures: too few flights8p9 p.m. departures: 88% on time (318 flights)889p10 p.m. departures: too few flights (33 flights)10p
PDX → RDM, 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 PDX → RDM, each airline's last flight of the day was cancelled 1.1% of the time, against 0.7% for its earlier flights (1.6× as often). It arrived 3+ hours late 0.3% of the time (earlier flights: 0.3%). 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 Airlines9:55 p.m.1.1%0.3%0.7%first flight 10:45 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.

If you need to be in RDM tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: April (90%). Worst: July (82%).

40%70%100%Jan: 82% on time (175 flights)82JanFeb: 83% on time (150 flights)83FebMar: 87% on time (164 flights)87MarApr: 90% on time (150 flights)90AprMay: 90% on time (168 flights)90MayJun: 89% on time (188 flights)89JunJul: 82% on time (212 flights)82JulAug: 83% on time (191 flights)83AugSep: too few flights (91 flights)SepOct: 90% on time (150 flights)90OctNov: 87% on time (144 flights)87NovDec: 83% on time (175 flights)83Dec

By day of week

DayFlightsOn timeCancelled
Monday16990%0.6%
Tuesday15284%0.7%
Wednesday15688%0.6%
Thursday16487%1.8%
Friday16592%0.6%
Saturday12591%0.0%
Sunday16686%1.2%

Why flights were late

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

Late inbound plane 48%Airline (crew, maintenance, ops) 39%Air traffic & airport (NAS) 11%Severe weather 2%

Cancellations: weather 4 · air traffic/airport 4 · 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 20579:55 p.m.31289%1.0%−7 minHorizon Air

Worst days in the past year

DateFlightsOn timeCancelled
Feb 5, 202630%2
Jul 22, 2026425%0
Sep 2, 2025333%0
Nov 21, 2025333%0
May 12, 2026333%0

Questions

How often are flights from PDX to RDM on time?

88% of 1,097 scheduled flights from Portland, OR to Bend/Redmond, OR arrived within 15 minutes of schedule between September 2025 and August 2026. 0.8% were cancelled.

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

Flights scheduled to leave at 11 a.m. were the most reliable (90% on time). The 2 p.m. departures were the least (87%).

What month has the most delays from PDX to RDM?

July (82% on time). The best month is April (90%), over 2023–2026.

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

Yes. Each airline's last PDX–RDM flight of the day was cancelled 1.1% 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.