Flight OddsDL423 ATL → SLC
Delta Air Lines · Atlanta, GA to Salt Lake City, UT · 365 flights observed, 2025-07-01 to 2026-06-30 · 1,590 mi
On-time arrival
86%
Median delay
-5 min
90th percentile
+24 min
Cancellation rate
0%
How often is DL423 on time?
Across 365 flights on ATL → SLC from 2025-07-01 to 2026-06-30, DL423 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +24 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 | 311 | 86% |
| 16-30 min | 24 | 7% |
| 31-60 min | 17 | 5% |
| 61-120 min | 3 | 1% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +24 min |
| 2025-08 | 31 | 81% | +6 min |
| 2025-09 | 30 | 97% | -4 min |
| 2025-10 | 31 | 84% | -2 min |
| 2025-11 | 30 | 100% | -10 min |
| 2025-12 | 31 | 77% | +5 min |
| 2026-01 | 31 | 87% | -1 min |
| 2026-02 | 28 | 93% | -6 min |
| 2026-03 | 30 | 70% | +4 min |
| 2026-04 | 30 | 87% | -5 min |
| 2026-05 | 30 | 87% | +5 min |
| 2026-06 | 30 | 87% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 84% |
| Tue | 53 | 83% |
| Wed | 52 | 88% |
| Thu | 52 | 81% |
| Fri | 51 | 94% |
| Sat | 52 | 88% |
| Sun | 52 | 81% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…