Flight OddsDL539 ATL → PDX
Delta Air Lines · Atlanta, GA to Portland, OR · 365 flights observed, 2025-07-01 to 2026-06-30 · 2,172 mi
DL539 covers more than one route in the data window — the stats below are for ATL → PDX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-3 min
90th percentile
+24 min
Cancellation rate
2%
How often is DL539 on time?
Across 365 flights on ATL → PDX from 2025-07-01 to 2026-06-30, DL539 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +24 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 | 305 | 85% |
| 16-30 min | 26 | 7% |
| 31-60 min | 21 | 6% |
| 61-120 min | 5 | 1% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | -4 min |
| 2025-08 | 31 | 97% | -4 min |
| 2025-09 | 30 | 90% | -6 min |
| 2025-10 | 31 | 81% | +4 min |
| 2025-11 | 29 | 86% | -2 min |
| 2025-12 | 30 | 57% | +22 min |
| 2026-01 | 30 | 83% | +4 min |
| 2026-02 | 27 | 78% | +5 min |
| 2026-03 | 29 | 79% | +5 min |
| 2026-04 | 29 | 90% | -5 min |
| 2026-05 | 31 | 90% | -1 min |
| 2026-06 | 30 | 97% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 76% |
| Tue | 53 | 87% |
| Wed | 52 | 77% |
| Thu | 52 | 94% |
| Fri | 52 | 88% |
| Sat | 49 | 90% |
| Sun | 49 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…