Flight OddsDelta Air Lines · Salt Lake City, UT to Portland, OR · 107 flights observed, 2025-12-20 to 2026-06-26 · 630 mi
DL1238 covers more than one route in the data window — the stats below are for SLC → PDX, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL1238 on time?
Across 107 flights on SLC → PDX from 2025-12-20 to 2026-06-26, DL1238 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +18 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 89 | 88% |
| 16-30 min | 4 | 4% |
| 31-60 min | 2 | 2% |
| 61-120 min | 4 | 4% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 7 | 57% | +6 min |
| 2026-01 | 3 | 67% | +27 min |
| 2026-03 | 19 | 89% | +7 min |
| 2026-04 | 26 | 96% | -10 min |
| 2026-05 | 24 | 92% | 0 min |
| 2026-06 | 22 | 86% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 94% |
| Tue | 17 | 94% |
| Wed | 16 | 100% |
| Thu | 15 | 87% |
| Fri | 17 | 88% |
| Sat | 2 | 0% |
| Sun | 17 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…