Route
PSC → SEA
Tri Cities Airport Seattle–Tacoma International Airport
How punctual is this route?
- On-time arrivals
- 88.6%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 96 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,679
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 57%
- Extreme weather 18%
- Late-arriving aircraft 17%
- Air traffic control & airport 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.0% | 167 |
| October 2025 | 88.6% | 213 |
| November 2025 | 90.4% | 163 |
| December 2025 | 87.4% | 159 |
| January 2026 | 87.1% | 147 |
| February 2026 | 88.9% | 137 |
| March 2026 | 92.4% | 133 |
| April 2026 | 86.2% | 109 |
| May 2026 | 87.7% | 130 |
| June 2026 | 88.5% | 96 |
| July 2026 | 88.2% | 93 |
| August 2026 | 89.4% | 132 |
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 | 1,465 | 89.0% | 0.8% | 96 min |
| Alaska Airlines | 214 | 85.8% | 0.9% | 99 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO3972
7% late · 255 flights
-
OO3992
16% late · 193 flights
-
OO3607
7% late · 110 flights
-
OO3625
3% late · 110 flights
-
OO3628
8% late · 105 flights
-
OO3891
9% late · 102 flights
-
AS795
7% late · 86 flights
-
OO4120
13% late · 62 flights
-
AS772
14% late · 56 flights
-
AS907
17% late · 55 flights
-
OO4095
11% late · 55 flights
-
OO3408
12% late · 48 flights
-
OO4023
11% late · 36 flights
-
OO3026
9% late · 35 flights
-
OO3280
30% late · 33 flights
-
OO3890
13% late · 31 flights
-
OO3955
10% late · 31 flights
-
OO3070
16% late · 25 flights
-
OO3919
25% late · 24 flights
-
OO3281
18% late · 22 flights
-
OO3352
14% late · 21 flights
-
OO3486
19% late · 21 flights
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