Flight OddsDelta Air Lines · Atlanta, GA to Charleston/Dunbar, WV · 37 flights observed, 2026-01-05 to 2026-02-11 · 363 mi
DL4021 covers more than one route in the data window — the stats below are for ATL → CRW, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL4021 on time?
Across 37 flights on ATL → CRW from 2026-01-05 to 2026-02-11, DL4021 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +82 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 18 | 53% |
| 16-30 min | 7 | 21% |
| 31-60 min | 5 | 15% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 24 | 38% | +44 min |
| 2026-02 | 10 | 90% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 6 | 33% |
| Wed | 6 | 83% |
| Thu | 5 | 60% |
| Fri | 5 | 60% |
| Sat | 4 | 75% |
| Sun | 3 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…