Flight OddsDL4812 DSM → DTW
Delta Air Lines · Des Moines, IA to Detroit, MI · 135 flights observed, 2025-07-06 to 2025-12-19 · 534 mi
DL4812 covers more than one route in the data window — the stats below are for DSM → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-13 min
90th percentile
+66 min
Cancellation rate
1%
How often is DL4812 on time?
Across 135 flights on DSM → DTW from 2025-07-06 to 2025-12-19, DL4812 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +66 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 100 | 75% |
| 16-30 min | 6 | 4% |
| 31-60 min | 13 | 10% |
| 61-120 min | 9 | 7% |
| 2+ hrs | 6 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 65% | +12 min |
| 2025-08 | 25 | 80% | +0 min |
| 2025-09 | 20 | 100% | -16 min |
| 2025-10 | 26 | 81% | +1 min |
| 2025-11 | 24 | 75% | +4 min |
| 2025-12 | 16 | 38% | +58 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 75% |
| Tue | 22 | 73% |
| Wed | 22 | 82% |
| Thu | 21 | 86% |
| Fri | 21 | 76% |
| Sat | 1 | 0% |
| Sun | 23 | 61% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…