American Airlines · Kansas City, MO to Philadelphia, PA · 19 flights observed, 2026-05-24 to 2026-06-30 · 1,038 mi
AA1378 covers more than one route in the data window — the stats below are for MCI → PHL, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA1378 on time?
Across 19 flights on MCI → PHL from 2026-05-24 to 2026-06-30, AA1378 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +28 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 17 | 89% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 7 | 86% | -3 min |
| 2026-06 | 12 | 92% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 6 | 100% |
| Wed | 4 | 75% |
| Thu | 2 | 100% |
| Fri | 1 | 100% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…