Flight OddsDL543 STL → ATL
Delta Air Lines · St. Louis, MO to Atlanta, GA · 83 flights observed, 2026-01-19 to 2026-05-06 · 484 mi
DL543 covers more than one route in the data window — the stats below are for STL → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-12 min
90th percentile
+30 min
Cancellation rate
4%
How often is DL543 on time?
Across 83 flights on STL → ATL from 2026-01-19 to 2026-05-06, DL543 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +30 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 66 | 83% |
| 16-30 min | 6 | 8% |
| 31-60 min | 5 | 6% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 12 | 67% | +5 min |
| 2026-02 | 10 | 80% | -3 min |
| 2026-03 | 23 | 78% | -1 min |
| 2026-04 | 29 | 90% | -2 min |
| 2026-05 | 6 | 100% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 75% |
| Tue | 13 | 85% |
| Wed | 13 | 85% |
| Thu | 11 | 100% |
| Fri | 11 | 100% |
| Sat | 10 | 70% |
| Sun | 10 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…