Flight OddsDL488 ATL → PWM
Delta Air Lines · Atlanta, GA to Portland, ME · 69 flights observed, 2025-07-01 to 2026-06-30 · 1,027 mi
DL488 covers more than one route in the data window — the stats below are for ATL → PWM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
+2 min
90th percentile
+44 min
Cancellation rate
3%
How often is DL488 on time?
Across 69 flights on ATL → PWM from 2025-07-01 to 2026-06-30, DL488 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +44 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 48 | 72% |
| 16-30 min | 8 | 12% |
| 31-60 min | 6 | 9% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 60% | +20 min |
| 2025-08 | 13 | 92% | -4 min |
| 2025-09 | 1 | 0% | +120 min |
| 2026-06 | 23 | 78% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | 9 | 78% |
| Wed | 9 | 56% |
| Thu | 9 | 67% |
| Fri | 9 | 78% |
| Sat | 13 | 85% |
| Sun | 10 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…