Flight OddsDL4997 RIC → DTW
Delta Air Lines · Richmond, VA to Detroit, MI · 31 flights observed, 2026-05-07 to 2026-06-06 · 455 mi
DL4997 covers more than one route in the data window — the stats below are for RIC → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-2 min
90th percentile
+14 min
Cancellation rate
3%
How often is DL4997 on time?
Across 31 flights on RIC → DTW from 2026-05-07 to 2026-06-06, DL4997 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +14 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 27 | 90% |
| 16-30 min | 2 | 7% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 24 | 92% | -1 min |
| 2026-06 | 6 | 83% | +35 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 3 | 100% |
| Wed | 4 | 100% |
| Thu | 5 | 80% |
| Fri | 5 | 100% |
| Sat | 5 | 80% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…