Carrier route record
OORDM→SFO
SkyWest Airlines · Redmond to San Francisco
- Flights
- 658
- Period
- July 2025 to June 2026
- Share of route
- 51%
- Carriers
- 2
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with SkyWest Airlines.
SkyWest on RDM to SFO draws a C. About one flight in three arrives at least 15 minutes late, and the typical late arrival is a little over an hour behind schedule. Build slack into anything you connect to. That rests on 658 flights, with a median arrival right on schedule.
The national on-time rate over the same period is 77.6%, so SkyWest on RDM to SFO runs 11 points behind the country as a whole. Across a thousand flights that is about 111 extra late arrivals.
Key figures
On time
66.5%
Arrivals under 15 minutes late, of 642 completed flights
Avg delay
74 min
Across delayed arrivals only, not all flights
Cancelled
1.37%
National rate is 1.81%
Whole route
66.7%
Every carrier on RDM to SFO, 1,278 flights
These figures cover 658 flights between July 2025 and June 2026. Beyond the headline rate, 14.2% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.
Carrier by carrier
SkyWest against every carrier on RDM to SFO
SkyWest flew 658 of the 1,278 flights on RDM to SFO, most of the route. Its 66.5% on time is about level with the route as a whole at 66.7%. Ranked by on-time rate it is last of two carriers on the route, where the range runs from United at 66.9% to SkyWest at 66.5%.
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| United Airlines | 620 | 66.9% | 65 min | 0.48% | C+ |
| SkyWest Airlines (this page) | 658 | 66.5% | 74 min | 1.37% | C |
Flight by flight
SkyWest flight numbers on RDM to SFO
Departure window
When SkyWest runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 32 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am178 flights84.7%
- 8am–11am22 flights—
- 11am–2pm—
- 2pm–5pm51 flights74.0%
- 5pm–8pm298 flights52.4%
- 8pm–5am109 flights73.4%
Scale runs 45% to 90%. Rows with fewer than 30 flights show a dash.
The 5pm–8pm window is where this operation falls apart: 52.4% on time, against 84.7% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5pm–8pm window is the busiest, with 298 flights scheduled in it.
Across the year
SkyWest on RDM to SFO through the year
June is the worst month at 46.9% on time, 38 points below March, the best at 84.4%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. July was the busiest month here, with 83 flights.
Across the week, Tuesday is the strongest day at 75.3% on time and Monday the weakest at 56.2%. 19 points is a smaller lever than departure hour, but it is free.
Delay causes
Why SkyWest runs late on this route
One category carries most of the weight here. National Airspace System accounts for 49% of the 16,000 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.
- 49%National Airspace System
- 24%Carrier
- 18%Late-arriving aircraft
- 9%Extreme weather
49% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 7,887 minutes out of 16,000, against a national NAS share of 21%. The split is drawn from 15,992 reported delay minutes.
Cancellations sit at 1.37% against a national 1.81%, which is ordinary. Diversions add another 1.06%.
Connections and stage length
What a delay here costs
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 14.2% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.
At 462 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 5am–8am window matters as much as it does.
The return leg is a different operation and performs like one: it runs 71.4% on time across 657 flights, 5 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 5 points of difference.
One caution: this is a thin sample. 658 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking SkyWest on RDM to SFO
Put together: treat all of this as provisional. 658 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 66.5% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 642 completed flights over 12 months sit behind that.
Related
Where to go next
- RDM to SFO, every carrier
- SkyWest on SFO to RDM, the return leg
- United Airlines on RDM to SFO66.9%
- SkyWest Airlines network-wide record
- San Francisco International (SFO) delay statistics
- How often a connection fails at the major US hubs
- The best time of day to fly, according to 7.04 million flight records
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.