Flight OddsDL4855 GSP → DTW
Delta Air Lines · Greer, SC to Detroit, MI · 13 flights observed, 2025-08-25 to 2025-09-10 · 508 mi
DL4855 covers more than one route in the data window — the stats below are for GSP → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-10 min
90th percentile
+10 min
Cancellation rate
0%
How often is DL4855 on time?
Across 13 flights on GSP → DTW from 2025-08-25 to 2025-09-10, DL4855 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +10 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 | 12 | 92% |
| 16-30 min | 1 | 8% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 5 | 100% | -12 min |
| 2025-09 | 8 | 88% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 3 | 100% |
| Wed | 3 | 100% |
| Thu | 2 | 50% |
| Fri | 2 | 100% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…