Flight OddsUA4636 ORD → SBN
United Airlines · Chicago, IL to South Bend, IN · 330 flights observed, 2025-07-01 to 2026-06-30 · 84 mi
UA4636 covers more than one route in the data window — the stats below are for ORD → SBN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
53%
Median delay
+12 min
90th percentile
+121 min
Cancellation rate
6%
How often is UA4636 on time?
Across 330 flights on ORD → SBN from 2025-07-01 to 2026-06-30, UA4636 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +121 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 164 | 53% |
| 16-30 min | 40 | 13% |
| 31-60 min | 41 | 13% |
| 61-120 min | 32 | 10% |
| 2+ hrs | 32 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 43% | +60 min |
| 2025-08 | 29 | 66% | +27 min |
| 2025-09 | 24 | 75% | +1 min |
| 2025-10 | 6 | 100% | -5 min |
| 2025-11 | 22 | 55% | +15 min |
| 2025-12 | 31 | 39% | +100 min |
| 2026-01 | 29 | 48% | +54 min |
| 2026-02 | 28 | 29% | +33 min |
| 2026-03 | 25 | 68% | +17 min |
| 2026-04 | 28 | 50% | +59 min |
| 2026-05 | 30 | 47% | +37 min |
| 2026-06 | 27 | 63% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 61% |
| Tue | 49 | 55% |
| Wed | 44 | 52% |
| Thu | 43 | 56% |
| Fri | 43 | 49% |
| Sat | 42 | 40% |
| Sun | 44 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…