Delta Air Lines · Bristol/Johnson City/Kingsport, TN to Atlanta, GA · 71 flights observed, 2025-07-01 to 2025-10-05 · 227 mi
DL3947 covers more than one route in the data window — the stats below are for TRI → ATL, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL3947 on time?
Across 71 flights on TRI → ATL from 2025-07-01 to 2025-10-05, DL3947 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +109 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 | 48 | 68% |
| 16-30 min | 4 | 6% |
| 31-60 min | 3 | 4% |
| 61-120 min | 9 | 13% |
| 2+ hrs | 7 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 68% | +18 min |
| 2025-08 | 22 | 59% | +76 min |
| 2025-09 | 17 | 76% | +1 min |
| 2025-10 | 4 | 75% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 70% |
| Tue | 11 | 64% |
| Wed | 10 | 80% |
| Thu | 11 | 55% |
| Fri | 11 | 45% |
| Sat | 6 | 67% |
| Sun | 12 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…