Flight OddsDelta Air Lines · Portland, OR to Salt Lake City, UT · 189 flights observed, 2025-12-20 to 2026-06-30 · 630 mi
DL1203 covers more than one route in the data window — the stats below are for PDX → SLC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL1203 on time?
Across 189 flights on PDX → SLC from 2025-12-20 to 2026-06-30, DL1203 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +14 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 167 | 91% |
| 16-30 min | 4 | 2% |
| 31-60 min | 5 | 3% |
| 61-120 min | 4 | 2% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 9 | 89% | -8 min |
| 2026-01 | 29 | 86% | -3 min |
| 2026-02 | 27 | 100% | -7 min |
| 2026-03 | 30 | 93% | -9 min |
| 2026-04 | 28 | 89% | -4 min |
| 2026-05 | 31 | 94% | -5 min |
| 2026-06 | 29 | 86% | 0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 100% |
| Tue | 28 | 96% |
| Wed | 24 | 88% |
| Thu | 25 | 84% |
| Fri | 26 | 88% |
| Sat | 27 | 89% |
| Sun | 25 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…