Flight OddsDelta Air Lines · Pasco/Kennewick/Richland, WA to Salt Lake City, UT · 62 flights observed, 2026-01-05 to 2026-03-07 · 521 mi
DL1121 covers more than one route in the data window — the stats below are for PSC → SLC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL1121 on time?
Across 62 flights on PSC → SLC from 2026-01-05 to 2026-03-07, DL1121 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +1 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 57 | 93% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 88% | +4 min |
| 2026-02 | 28 | 96% | -1 min |
| 2026-03 | 7 | 100% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 100% |
| Tue | 9 | 100% |
| Wed | 9 | 89% |
| Thu | 9 | 89% |
| Fri | 9 | 89% |
| Sat | 9 | 89% |
| Sun | 8 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…