Flight OddsDL4991 AEX → ATL
Delta Air Lines · Alexandria, LA to Atlanta, GA · 183 flights observed, 2025-07-01 to 2026-06-30 · 500 mi
DL4991 covers more than one route in the data window — the stats below are for AEX → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-6 min
90th percentile
+69 min
Cancellation rate
2%
How often is DL4991 on time?
Across 183 flights on AEX → ATL from 2025-07-01 to 2026-06-30, DL4991 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +69 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 | 135 | 76% |
| 16-30 min | 9 | 5% |
| 31-60 min | 12 | 7% |
| 61-120 min | 11 | 6% |
| 2+ hrs | 10 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 6 | 83% | +1 min |
| 2026-01 | 25 | 68% | +31 min |
| 2026-02 | 28 | 86% | -2 min |
| 2026-03 | 30 | 73% | +14 min |
| 2026-04 | 29 | 76% | +32 min |
| 2026-05 | 31 | 71% | +19 min |
| 2026-06 | 28 | 82% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 25 | 72% |
| Tue | 26 | 77% |
| Wed | 26 | 65% |
| Thu | 26 | 96% |
| Fri | 26 | 77% |
| Sat | 24 | 67% |
| Sun | 24 | 79% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…