Flight OddsDL4134 OAK → SLC
Delta Air Lines · Oakland, CA to Salt Lake City, UT · 365 flights observed, 2025-07-01 to 2026-06-30 · 588 mi
DL4134 covers more than one route in the data window — the stats below are for OAK → SLC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
94%
Median delay
-13 min
90th percentile
+1 min
Cancellation rate
1%
How often is DL4134 on time?
Across 365 flights on OAK → SLC from 2025-07-01 to 2026-06-30, DL4134 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +1 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 341 | 94% |
| 16-30 min | 7 | 2% |
| 31-60 min | 7 | 2% |
| 61-120 min | 6 | 2% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 97% | +7 min |
| 2025-08 | 31 | 94% | -5 min |
| 2025-09 | 30 | 97% | -7 min |
| 2025-10 | 31 | 97% | -6 min |
| 2025-11 | 28 | 96% | -14 min |
| 2025-12 | 31 | 90% | -11 min |
| 2026-01 | 31 | 94% | -6 min |
| 2026-02 | 28 | 86% | -6 min |
| 2026-03 | 31 | 87% | -3 min |
| 2026-04 | 30 | 100% | -11 min |
| 2026-05 | 31 | 94% | -9 min |
| 2026-06 | 30 | 97% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 96% |
| Tue | 53 | 94% |
| Wed | 52 | 94% |
| Thu | 52 | 90% |
| Fri | 52 | 94% |
| Sat | 51 | 98% |
| Sun | 52 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…