DL5231 DTW → ROC
Delta Air Lines · Detroit, MI to Rochester, NY · 238 flights observed, 2025-07-01 to 2026-06-05 · 296 mi
DL5231 covers more than one route in the data window — the stats below are for DTW → ROC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-7 min
90th percentile
+61 min
Cancellation rate
2%
How often is DL5231 on time?
Across 238 flights on DTW → ROC from 2025-07-01 to 2026-06-05, DL5231 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +61 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 178 | 76% |
| 16-30 min | 12 | 5% |
| 31-60 min | 19 | 8% |
| 61-120 min | 15 | 6% |
| 2+ hrs | 9 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 58% | +39 min |
| 2025-08 | 31 | 90% | -5 min |
| 2025-09 | 30 | 93% | -8 min |
| 2025-10 | 31 | 94% | -4 min |
| 2025-11 | 28 | 71% | +20 min |
| 2025-12 | 30 | 53% | +67 min |
| 2026-01 | 2 | 0% | +36 min |
| 2026-04 | 18 | 78% | +3 min |
| 2026-05 | 27 | 78% | +7 min |
| 2026-06 | 5 | 80% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 33 | 76% |
| Tue | 34 | 79% |
| Wed | 33 | 73% |
| Thu | 34 | 82% |
| Fri | 31 | 77% |
| Sat | 34 | 82% |
| Sun | 34 | 65% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…