Flight OddsDL4831 ATL → CHA
Delta Air Lines · Atlanta, GA to Chattanooga, TN · 121 flights observed, 2025-08-11 to 2025-12-19 · 106 mi
DL4831 covers more than one route in the data window — the stats below are for ATL → CHA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-10 min
90th percentile
+20 min
Cancellation rate
2%
How often is DL4831 on time?
Across 121 flights on ATL → CHA from 2025-08-11 to 2025-12-19, DL4831 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +20 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 105 | 88% |
| 16-30 min | 8 | 7% |
| 31-60 min | 4 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 21 | 100% | -13 min |
| 2025-09 | 28 | 93% | -6 min |
| 2025-10 | 30 | 83% | -3 min |
| 2025-11 | 23 | 91% | -9 min |
| 2025-12 | 17 | 71% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 74% |
| Tue | 16 | 88% |
| Wed | 19 | 95% |
| Thu | 19 | 95% |
| Fri | 17 | 94% |
| Sat | 13 | 92% |
| Sun | 16 | 81% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…