Flight OddsDL1553 SLC → DEN
Delta Air Lines · Salt Lake City, UT to Denver, CO · 325 flights observed, 2025-07-01 to 2026-06-30 · 391 mi
DL1553 covers more than one route in the data window — the stats below are for SLC → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-10 min
90th percentile
+32 min
Cancellation rate
0%
How often is DL1553 on time?
Across 325 flights on SLC → DEN from 2025-07-01 to 2026-06-30, DL1553 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +32 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 | 267 | 83% |
| 16-30 min | 21 | 7% |
| 31-60 min | 23 | 7% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 74% | +6 min |
| 2025-08 | 31 | 97% | -9 min |
| 2025-09 | 30 | 77% | +2 min |
| 2025-10 | 29 | 72% | +8 min |
| 2025-11 | 29 | 93% | -12 min |
| 2025-12 | 30 | 83% | -1 min |
| 2026-01 | 31 | 81% | -5 min |
| 2026-02 | 26 | 85% | -7 min |
| 2026-03 | 7 | 100% | -18 min |
| 2026-04 | 18 | 83% | +3 min |
| 2026-05 | 31 | 84% | -4 min |
| 2026-06 | 30 | 77% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 83% |
| Tue | 48 | 77% |
| Wed | 46 | 91% |
| Thu | 47 | 83% |
| Fri | 44 | 75% |
| Sat | 47 | 85% |
| Sun | 44 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…