Which departure time was most reliable for SLC to PDX?
Among qualifying SLC-to-PDX departure window results, Early morning had the highest on-time rate: 89.4% of 653 flights. Evening was lowest at 79.8% across 396 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 653 | 89.4% | 6.3% | 1.4% |
| Late morning | 393 | 87.3% | 6.9% | 1.0% |
| Afternoon | 576 | 88.0% | 7.5% | 0.3% |
| Evening | 396 | 79.8% | 13.4% | 2.0% |
| Night | 364 | 87.9% | 6.0% | 0.0% |
Which weekday was most reliable for SLC to PDX?
Among qualifying SLC-to-PDX weekday results, Tuesday had the highest on-time rate: 90.9% of 342 flights. Sunday was lowest at 83.5% across 345 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 364 | 84.9% | 9.3% | 0.8% |
| Tuesday | 342 | 90.9% | 5.6% | 0.9% |
| Wednesday | 329 | 90.0% | 6.1% | 0.3% |
| Thursday | 337 | 86.1% | 8.3% | 0.6% |
| Friday | 362 | 86.5% | 6.9% | 1.1% |
| Saturday | 303 | 86.8% | 8.3% | 1.3% |
| Sunday | 345 | 83.5% | 10.1% | 1.7% |
Which airline was most reliable for SLC to PDX?
Among qualifying SLC-to-PDX airline results, Alaska Airlines had the highest on-time rate: 97.8% of 46 flights. Frontier Airlines was lowest at 62.8% across 43 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,697 | 86.6% | 7.7% | 1.1% |
| SkyWest Airlines | 596 | 88.8% | 7.2% | 0.5% |
| Alaska Airlines | 46 | 97.8% | 0.0% | 0.0% |
| Frontier Airlines | 43 | 62.8% | 27.9% | 2.3% |
Which month was most reliable for SLC to PDX?
Among qualifying SLC-to-PDX month results, September 2025 had the highest on-time rate: 92.6% of 176 flights. July 2025 was lowest at 79.4% across 247 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 247 | 79.4% | 16.2% | 0.4% |
| August 2025 | 222 | 88.7% | 7.2% | 0.5% |
| September 2025 | 176 | 92.6% | 4.0% | 0.0% |
| October 2025 | 211 | 90.0% | 7.1% | 0.0% |
| November 2025 | 189 | 84.7% | 8.5% | 2.1% |
| December 2025 | 201 | 83.6% | 9.5% | 1.0% |
| January 2026 | 177 | 85.3% | 9.0% | 1.7% |
| February 2026 | 172 | 87.8% | 4.1% | 1.2% |
| March 2026 | 194 | 87.1% | 6.2% | 1.5% |
| April 2026 | 186 | 88.7% | 7.0% | 1.6% |
| May 2026 | 192 | 91.7% | 5.2% | 1.0% |
| June 2026 | 215 | 85.6% | 7.0% | 0.9% |
What drove SLC to PDX delay minutes?
Airline was the largest recorded SLC-to-PDX delay category, accounting for 51.8% of 17,327 BTS-attributed delay minutes during July 2025–June 2026.
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