Most delayed flights from PSC: every route ranked
6 regularly flown nonstop routes from Tri Cities Airport, worst on-time record first (Aug 2025 – Jul 2026). Routes with fewer than 360 flights in the period are listed separately.
| # | Destination | On time | Cancelled | Avg delay | Airlines | Flights |
|---|---|---|---|---|---|---|
| 1 | PSC → SFO San Francisco, CA | 71% | 0.2% | 24 min | 1 | 596 |
| 2 | PSC → SEA Seattle, WA | 88% | 0.9% | 11 min | 2 | 1,727 |
| 3 | PSC → PHX Phoenix, AZ | 89% | 0.0% | 11 min | 1 | 693 |
| 4 | PSC → DEN Denver, CO | 89% | 0.5% | 10 min | 2 | 728 |
| 5 | PSC → MSP Minneapolis, MN | 92% | 0.3% | 13 min | 2 | 365 |
| 6 | PSC → SLC Salt Lake City, UT | 94% | 0.2% | 7 min | 2 | 1,178 |
Less frequent routes
Too few flights for a reliable ranking.
- PSC → LAX (Los Angeles) 359 flts
- PSC → BUR (Burbank) 186 flts
- PSC → AZA (Phoenix) 133 flts
- PSC → LAS (Las Vegas) 124 flts
- PSC → PDX (Portland) 52 flts
- PSC → SNA (Santa Ana) 49 flts
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.