Flight OddsDL1477 ATL → ORD
Delta Air Lines · Atlanta, GA to Chicago, IL · 356 flights observed, 2025-07-01 to 2026-06-30 · 606 mi
DL1477 covers more than one route in the data window — the stats below are for ATL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-1 min
90th percentile
+42 min
Cancellation rate
2%
How often is DL1477 on time?
Across 356 flights on ATL → ORD from 2025-07-01 to 2026-06-30, DL1477 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +42 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 | 267 | 76% |
| 16-30 min | 35 | 10% |
| 31-60 min | 23 | 7% |
| 61-120 min | 18 | 5% |
| 2+ hrs | 7 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +1 min |
| 2025-08 | 31 | 94% | -6 min |
| 2025-09 | 30 | 90% | -4 min |
| 2025-10 | 30 | 83% | +3 min |
| 2025-11 | 26 | 77% | +22 min |
| 2025-12 | 27 | 63% | +16 min |
| 2026-01 | 28 | 64% | +13 min |
| 2026-02 | 28 | 75% | +7 min |
| 2026-03 | 30 | 63% | +31 min |
| 2026-04 | 30 | 67% | +24 min |
| 2026-05 | 30 | 87% | +1 min |
| 2026-06 | 29 | 72% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 73% |
| Tue | 53 | 75% |
| Wed | 50 | 72% |
| Thu | 49 | 82% |
| Fri | 49 | 82% |
| Sat | 52 | 77% |
| Sun | 48 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…