Flight OddsAA621 ATL → PHL
American Airlines · Atlanta, GA to Philadelphia, PA · 120 flights observed, 2025-07-03 to 2026-06-30 · 666 mi
AA621 covers more than one route in the data window — the stats below are for ATL → PHL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
63%
Median delay
+5 min
90th percentile
+80 min
Cancellation rate
3%
How often is AA621 on time?
Across 120 flights on ATL → PHL from 2025-07-03 to 2026-06-30, AA621 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +80 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 | 74 | 63% |
| 16-30 min | 9 | 8% |
| 31-60 min | 10 | 9% |
| 61-120 min | 17 | 15% |
| 2+ hrs | 7 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 16 | 38% | +71 min |
| 2025-08 | 29 | 72% | +12 min |
| 2025-09 | 29 | 72% | +12 min |
| 2025-10 | 5 | 60% | +85 min |
| 2026-05 | 11 | 64% | +20 min |
| 2026-06 | 27 | 59% | +20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 56% |
| Tue | 13 | 85% |
| Wed | 13 | 54% |
| Thu | 19 | 53% |
| Fri | 20 | 75% |
| Sat | 14 | 57% |
| Sun | 20 | 65% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…