Flight OddsDL4155 DTW → GRR
Delta Air Lines · Detroit, MI to Grand Rapids, MI · 42 flights observed, 2026-01-05 to 2026-03-07 · 120 mi
DL4155 covers more than one route in the data window — the stats below are for DTW → GRR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+4 min
90th percentile
+162 min
Cancellation rate
0%
How often is DL4155 on time?
Across 42 flights on DTW → GRR from 2026-01-05 to 2026-03-07, DL4155 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +162 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 | 24 | 57% |
| 16-30 min | 2 | 5% |
| 31-60 min | 6 | 14% |
| 61-120 min | 3 | 7% |
| 2+ hrs | 7 | 17% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 27 | 48% | +64 min |
| 2026-02 | 14 | 79% | +14 min |
| 2026-03 | 1 | 0% | +53 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 6 | 67% |
| Wed | 6 | 67% |
| Thu | 5 | 60% |
| Fri | 5 | 40% |
| Sat | 9 | 67% |
| Sun | 5 | 20% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…