Flight OddsDL1091 SLC → SFO
Delta Air Lines · Salt Lake City, UT to San Francisco, CA · 335 flights observed, 2025-07-01 to 2026-06-30 · 599 mi
On-time arrival
71%
Median delay
+1 min
90th percentile
+38 min
Cancellation rate
0%
How often is DL1091 on time?
Across 335 flights on SLC → SFO from 2025-07-01 to 2026-06-30, DL1091 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +38 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 236 | 71% |
| 16-30 min | 50 | 15% |
| 31-60 min | 29 | 9% |
| 61-120 min | 15 | 4% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +1 min |
| 2025-08 | 31 | 65% | +10 min |
| 2025-09 | 30 | 80% | -1 min |
| 2025-10 | 24 | 79% | -1 min |
| 2025-11 | 19 | 84% | -9 min |
| 2025-12 | 29 | 83% | +19 min |
| 2026-01 | 25 | 60% | +11 min |
| 2026-02 | 24 | 75% | +3 min |
| 2026-03 | 30 | 90% | -3 min |
| 2026-04 | 30 | 63% | +18 min |
| 2026-05 | 31 | 55% | +16 min |
| 2026-06 | 30 | 40% | +58 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 63% |
| Tue | 47 | 83% |
| Wed | 46 | 78% |
| Thu | 49 | 69% |
| Fri | 49 | 73% |
| Sat | 41 | 73% |
| Sun | 51 | 57% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…