Flight OddsUA3639 LGA → ORD
United Airlines · New York, NY to Chicago, IL · 20 flights observed, 2026-02-13 to 2026-03-04 · 733 mi
UA3639 covers more than one route in the data window — the stats below are for LGA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
56%
Median delay
+9 min
90th percentile
+54 min
Cancellation rate
10%
How often is UA3639 on time?
Across 20 flights on LGA → ORD from 2026-02-13 to 2026-03-04, UA3639 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +54 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 10 | 56% |
| 16-30 min | 3 | 17% |
| 31-60 min | 3 | 17% |
| 61-120 min | 2 | 11% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 14 | 57% | +17 min |
| 2026-03 | 4 | 50% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 0% |
| Tue | 2 | 100% |
| Wed | 3 | 33% |
| Thu | 2 | 100% |
| Fri | 3 | 100% |
| Sat | 3 | 67% |
| Sun | 3 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…