Flight OddsDelta Air Lines · Houston, TX to Salt Lake City, UT · 111 flights observed, 2025-08-11 to 2025-12-19 · 1,195 mi
DL1278 covers more than one route in the data window — the stats below are for IAH → SLC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL1278 on time?
Across 111 flights on IAH → SLC from 2025-08-11 to 2025-12-19, DL1278 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +50 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 | 89 | 80% |
| 16-30 min | 9 | 8% |
| 31-60 min | 2 | 2% |
| 61-120 min | 8 | 7% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 17 | 65% | +15 min |
| 2025-09 | 26 | 100% | -12 min |
| 2025-10 | 27 | 85% | +5 min |
| 2025-11 | 24 | 75% | +10 min |
| 2025-12 | 17 | 65% | +27 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 79% |
| Tue | 19 | 89% |
| Wed | 19 | 89% |
| Thu | 18 | 83% |
| Fri | 18 | 72% |
| Sat | 1 | 0% |
| Sun | 17 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…