Flight OddsDL1583 IAH → SLC
Delta Air Lines · Houston, TX to Salt Lake City, UT · 365 flights observed, 2025-07-01 to 2026-06-30 · 1,195 mi
On-time arrival
85%
Median delay
-8 min
90th percentile
+23 min
Cancellation rate
0%
How often is DL1583 on time?
Across 365 flights on IAH → SLC from 2025-07-01 to 2026-06-30, DL1583 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +23 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 | 85% |
| 16-30 min | 22 | 6% |
| 31-60 min | 8 | 2% |
| 61-120 min | 12 | 3% |
| 2+ hrs | 11 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 90% | +3 min |
| 2025-08 | 31 | 84% | +6 min |
| 2025-09 | 30 | 87% | +8 min |
| 2025-10 | 31 | 77% | +11 min |
| 2025-11 | 30 | 87% | +39 min |
| 2025-12 | 31 | 87% | +24 min |
| 2026-01 | 30 | 87% | -4 min |
| 2026-02 | 28 | 82% | -6 min |
| 2026-03 | 31 | 81% | +0 min |
| 2026-04 | 30 | 83% | +6 min |
| 2026-05 | 31 | 94% | +6 min |
| 2026-06 | 30 | 87% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 83% |
| Tue | 53 | 96% |
| Wed | 52 | 83% |
| Thu | 52 | 92% |
| Fri | 52 | 85% |
| Sat | 52 | 87% |
| Sun | 51 | 73% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…