ON TIMEBOARD

SFO → RDM on time

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

On time
73%
arrived < 15 min late
Cancelled
1.3%
1,443 flights
Typical arrival
−4 min
median vs schedule
When late
+63 min
average delay
Flights / day
4
2 airlines

73% of flights from San Francisco to Bend arrived on time over the past 12 months. That is worse than the typical U.S. route. The 10 a.m. departures ran on time 90% of the time; the 5 p.m. ones 45%. Most reliable airline: United Airlines (77%). 10% 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 SFO → RDM: when a flight was late, it was under 45 minutes late 50% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 90 three hours or more; 1.3% were cancelled outright.

Share of all 1,443 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines1,08377%1.1%−6 min7.4%+68 minUnited Airlines 61%, SkyWest 39%
Alaska Airlines36059%1.9%+2 min13.1%+57 minSkyWest 63%, Horizon Air 37%

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 SFO). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%9 a.m. departures: too few flights (21 flights)9a10 a.m. departures: 90% on time (342 flights)9010a11 a.m. departures: too few flights11anoon departures: too few flights (12 flights)12p1 p.m. departures: 73% on time (182 flights)731p2 p.m. departures: too few flights2p3 p.m. departures: too few flights (30 flights)3p4 p.m. departures: 74% on time (272 flights)744p5 p.m. departures: 45% on time (131 flights)455p6 p.m. departures: too few flights6p7 p.m. departures: 66% on time (105 flights)667p8 p.m. departures: too few flights (64 flights)8p9 p.m. departures: 68% on time (284 flights)689p
SFO → 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

By airline and hour

DepartsUnited AirlinesAlaska Airlines
10 a.m.90%—
1 p.m.—70%
4 p.m.76%—
9 p.m.68%—

Last flight of the day

On SFO → RDM, each airline's last flight of the day was cancelled 1.4% of the time, against 1.0% for its earlier flights (1.4× as often). It arrived 3+ hours late 1.9% of the time (earlier flights: 0.7%). 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
United Airlines9:18 p.m.1.4%1.9%1.0%first flight 10:28 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: October (86%). Worst: July (69%).

40%70%100%Jan: 74% on time (306 flights)74JanFeb: 71% on time (304 flights)71FebMar: 77% on time (357 flights)77MarApr: 79% on time (300 flights)79AprMay: 73% on time (322 flights)73MayJun: 71% on time (336 flights)71JunJul: 69% on time (376 flights)69JulAug: 77% on time (357 flights)77AugSep: 85% on time (350 flights)85SepOct: 86% on time (367 flights)86OctNov: 81% on time (352 flights)81NovDec: 74% on time (363 flights)74Dec

By day of week

DayFlightsOn timeCancelled
Monday21972%1.4%
Tuesday19077%0.0%
Wednesday19575%0.0%
Thursday21868%2.8%
Friday21970%0.9%
Saturday18583%2.2%
Sunday21767%1.8%

Why flights were late

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

Late inbound plane 43%Air traffic & airport (NAS) 27%Airline (crew, maintenance, ops) 25%Severe weather 4%

Cancellations: weather 10 · air traffic/airport 7 · airline 2

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 86% on time, 0.0% cancelledOct 2023: 90% on time, 0.0% cancelledNov 2023: 82% on time, 0.0% cancelledDec 2023: 75% on time, 1.6% cancelledJan 2024: 62% on time, 7.9% cancelledFeb 2024: 69% on time, 6.8% cancelledMar 2024: 68% on time, 0.8% cancelledJul 2024: 80% on time, 3.3% cancelledAug 2024: 85% on time, 0.0% cancelledSep 2024: 83% on time, 0.0% cancelledOct 2024: 82% on time, 0.0% cancelledNov 2024: 76% on time, 5.2% cancelledDec 2024: 74% on time, 9.9% cancelledMar 2025: 78% on time, 1.8% cancelledMay 2025: 86% on time, 0.0% cancelledJun 2025: 78% on time, 0.0% cancelledJul 2025: 67% on time, 0.0% cancelledAug 2025: 85% on time, 0.0% cancelledSep 2025: 85% on time, 0.0% cancelledOct 2025: 86% on time, 0.0% cancelledNov 2025: 85% on time, 0.0% cancelledDec 2025: 73% on time, 0.8% cancelledJan 2026: 79% on time, 3.7% cancelledFeb 2026: 65% on time, 6.7% cancelledMar 2026: 84% on time, 0.8% cancelledApr 2026: 79% on time, 1.7% cancelledMay 2026: 63% on time, 2.5% cancelledJun 2026: 57% on time, 0.8% cancelledJul 2026: 61% on time, 0.0% cancelledAug 2026: 60% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
SFO → RDM, monthly on-time and cancellation rate.

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
UA 215310:35 a.m.34090%0.3%−12 minUnited Airlines
UA 54254:30 p.m.27476%1.8%−5 minSkyWest
UA 18099:18 p.m.18760%1.6%+4 minUnited Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 3, 202640%1
Dec 21, 202540%0
Feb 15, 202640%2
Aug 17, 202640%0
Feb 5, 202640%4

Questions

How often are flights from SFO to RDM on time?

73% of 1,443 scheduled flights from San Francisco, CA to Bend/Redmond, OR arrived within 15 minutes of schedule between September 2025 and August 2026. 1.3% were cancelled.

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

Flights scheduled to leave at 10 a.m. were the most reliable (90% on time). The 5 p.m. departures were the least (45%).

Which airline is most on time from SFO to RDM?

United Airlines: 77% of its 1,083 flights on the route arrived on time. Alaska Airlines: 59%.

What month has the most delays from SFO to RDM?

July (69% on time). The best month is October (86%), over 2023–2026.

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

Yes. Each airline's last SFO–RDM flight of the day was cancelled 1.4% of the time over the past year, against 1.0% 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.