Flight OddsDelta Air Lines · Bristol/Johnson City/Kingsport, TN to Atlanta, GA · 61 flights observed, 2026-01-05 to 2026-04-12 · 227 mi
DL4644 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 DL4644 on time?
Across 61 flights on TRI → ATL from 2026-01-05 to 2026-04-12, DL4644 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +28 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 49 | 86% |
| 16-30 min | 2 | 4% |
| 31-60 min | 5 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 22 | 91% | 0 min |
| 2026-02 | 1 | 100% | -14 min |
| 2026-03 | 22 | 77% | -1 min |
| 2026-04 | 12 | 92% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 9 | 100% |
| Wed | 9 | 89% |
| Thu | 8 | 88% |
| Fri | 9 | 100% |
| Sat | 6 | 83% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…