Flight OddsDL4631 CHA → ATL
Delta Air Lines · Chattanooga, TN to Atlanta, GA · 60 flights observed, 2026-01-05 to 2026-03-07 · 106 mi
DL4631 covers more than one route in the data window — the stats below are for CHA → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+4 min
90th percentile
+78 min
Cancellation rate
5%
How often is DL4631 on time?
Across 60 flights on CHA → ATL from 2026-01-05 to 2026-03-07, DL4631 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +78 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 | 37 | 65% |
| 16-30 min | 4 | 7% |
| 31-60 min | 5 | 9% |
| 61-120 min | 7 | 12% |
| 2+ hrs | 4 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 22 | 59% | +54 min |
| 2026-02 | 28 | 68% | +17 min |
| 2026-03 | 7 | 71% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 56% |
| Tue | 9 | 67% |
| Wed | 9 | 78% |
| Thu | 9 | 67% |
| Fri | 9 | 44% |
| Sat | 5 | 80% |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…