American Airlines · Salt Lake City, UT to Phoenix, AZ · 70 flights observed, 2025-12-18 to 2026-04-06 · 507 mi
AA6378 covers more than one route in the data window — the stats below are for SLC → PHX, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA6378 on time?
Across 70 flights on SLC → PHX from 2025-12-18 to 2026-04-06, AA6378 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -21 min, and the worst 10% of flights arrived +25 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 | 62 | 89% |
| 16-30 min | 1 | 1% |
| 31-60 min | 2 | 3% |
| 61-120 min | 4 | 6% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 11 | 91% | -15 min |
| 2026-01 | 5 | 100% | -20 min |
| 2026-02 | 17 | 71% | +4 min |
| 2026-03 | 31 | 100% | -21 min |
| 2026-04 | 6 | 67% | +39 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 100% |
| Tue | 9 | 100% |
| Wed | 7 | 71% |
| Thu | 10 | 70% |
| Fri | 11 | 91% |
| Sat | 11 | 100% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…