Flight OddsIAH → SLC Delta Air Lines
Delta Air Lines · Houston, TX to Salt Lake City, UT · 1,011 flights, 2025-07-01 to 2026-06-30 · aggregated across 6 flight numbers
On-time arrival
83%
Median delay
-9 min
90th percentile
+37 min
Cancellation rate
0%
How on-time is Delta Air Lines from IAH to SLC?
Across every Delta Air Lines flight number on IAH → SLC (1,011 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +37 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 837 | 83% |
| 16-30 min | 60 | 6% |
| 31-60 min | 39 | 4% |
| 61-120 min | 41 | 4% |
| 2+ hrs | 28 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 88 | 82% | +5 min |
| 2025-08 | 82 | 79% | +6 min |
| 2025-09 | 77 | 95% | -4 min |
| 2025-10 | 85 | 84% | +3 min |
| 2025-11 | 78 | 81% | +18 min |
| 2025-12 | 87 | 76% | +16 min |
| 2026-01 | 84 | 90% | -5 min |
| 2026-02 | 78 | 88% | -6 min |
| 2026-03 | 88 | 81% | +20 min |
| 2026-04 | 85 | 81% | +5 min |
| 2026-05 | 87 | 82% | +9 min |
| 2026-06 | 86 | 83% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 151 | 81% |
| Tue | 153 | 92% |
| Wed | 148 | 81% |
| Thu | 149 | 87% |
| Fri | 150 | 81% |
| Sat | 107 | 87% |
| Sun | 147 | 76% |
DL flight numbers on IAH → SLC
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…