Flight OddsAA3634 LAN → ORD
American Airlines · Lansing, MI to Chicago, IL · 19 flights observed, 2025-12-18 to 2026-01-05 · 179 mi
AA3634 covers more than one route in the data window — the stats below are for LAN → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-1 min
90th percentile
+23 min
Cancellation rate
5%
How often is AA3634 on time?
Across 19 flights on LAN → ORD from 2025-12-18 to 2026-01-05, AA3634 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +23 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 89% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 6% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 13 | 92% | +4 min |
| 2026-01 | 5 | 80% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 2 | 100% |
| Wed | 2 | 100% |
| Thu | 3 | 67% |
| Fri | 3 | 100% |
| Sat | 3 | 100% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…