Route
SUN → SEA
Friedman Memorial Airport Seattle–Tacoma International Airport
475 miles
Return route SEA → SUN →
How punctual is this route?
- On-time arrivals
- 89.2%
- Less than 15 minutes late
- Cancelled
- 2.6%
- Of scheduled flights
- Average delay when late
- 101 min
- Flights arriving 15+ minutes late
- Flights tracked
- 38
- Scheduled flights in the period
What caused the delays
- Extreme weather 85%
- Airline (crew, maintenance, cleaning) 10%
- Air traffic control & airport 5%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dec 2025
Mar 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| December 2025 | 75.0% | 12 |
| January 2026 | 100.0% | 5 |
| February 2026 | 100.0% | 8 |
| March 2026 | 91.7% | 13 |
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 | 38 | 89.2% | 2.6% | 101 min |
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