AA678 MIA → IAH
American Airlines · Miami, FL to Houston, TX · 97 flights observed, 2025-07-01 to 2025-10-05 · 964 mi
AA678 covers more than one route in the data window — the stats below are for MIA → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
55%
Median delay
+12 min
90th percentile
+99 min
Cancellation rate
1%
How often is AA678 on time?
Across 97 flights on MIA → IAH from 2025-07-01 to 2025-10-05, AA678 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +99 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 53 | 55% |
| 16-30 min | 10 | 10% |
| 31-60 min | 15 | 16% |
| 61-120 min | 9 | 9% |
| 2+ hrs | 9 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 43% | +41 min |
| 2025-08 | 31 | 48% | +46 min |
| 2025-09 | 30 | 70% | +16 min |
| 2025-10 | 5 | 80% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 69% |
| Tue | 14 | 29% |
| Wed | 14 | 64% |
| Thu | 14 | 57% |
| Fri | 14 | 64% |
| Sat | 14 | 57% |
| Sun | 13 | 46% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…