Route
RDM → SEA
Roberts Field Seattle–Tacoma International Airport
How punctual is this route?
- On-time arrivals
- 85.2%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 63 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,867
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 23%
- Extreme weather 17%
- Air traffic control & airport 16%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.2% | 210 |
| October 2025 | 84.6% | 163 |
| November 2025 | 89.1% | 157 |
| December 2025 | 84.7% | 152 |
| January 2026 | 88.0% | 137 |
| February 2026 | 83.6% | 124 |
| March 2026 | 87.0% | 150 |
| April 2026 | 86.4% | 155 |
| May 2026 | 86.3% | 162 |
| June 2026 | 87.2% | 149 |
| July 2026 | 82.2% | 153 |
| August 2026 | 78.1% | 155 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 1,453 | 85.6% | 1.8% | 64 min |
| Alaska Airlines | 414 | 83.8% | 1.4% | 60 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO4036
11% late · 365 flights
-
OO4141
12% late · 347 flights
-
OO3735
12% late · 318 flights
-
AS338
17% late · 152 flights
-
OO3026
13% late · 69 flights
-
OO3124
37% late · 68 flights
-
AS943
4% late · 55 flights
-
AS276
28% late · 40 flights
-
OO3363
28% late · 36 flights
-
AS340
15% late · 34 flights
-
AS154
27% late · 33 flights
-
OO3392
27% late · 33 flights
-
OO3466
28% late · 33 flights
-
OO3249
7% late · 31 flights
-
OO3935
23% late · 31 flights
-
AS1479
22% late · 28 flights
-
OO3360
23% late · 27 flights
-
AS202
19% late · 26 flights
-
OO3220
4% late · 25 flights
-
OO3023
0% late · 22 flights
-
AS1497
5% late · 21 flights
-
AS612
0% late · 21 flights
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