UA303 MCI → ORD
United Airlines · Kansas City, MO to Chicago, IL · 364 flights observed, 2025-07-01 to 2026-06-30 · 403 mi
UA303 covers more than one route in the data window — the stats below are for MCI → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
+2 min
90th percentile
+54 min
Cancellation rate
1%
How often is UA303 on time?
Across 364 flights on MCI → ORD from 2025-07-01 to 2026-06-30, UA303 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +54 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 | 269 | 75% |
| 16-30 min | 27 | 8% |
| 31-60 min | 28 | 8% |
| 61-120 min | 15 | 4% |
| 2+ hrs | 20 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 74% | +15 min |
| 2025-08 | 30 | 70% | +29 min |
| 2025-09 | 30 | 67% | +13 min |
| 2025-10 | 31 | 68% | +17 min |
| 2025-11 | 30 | 80% | +21 min |
| 2025-12 | 30 | 70% | +26 min |
| 2026-01 | 31 | 84% | +4 min |
| 2026-02 | 28 | 93% | +4 min |
| 2026-03 | 29 | 69% | +13 min |
| 2026-04 | 28 | 79% | +6 min |
| 2026-05 | 31 | 68% | +20 min |
| 2026-06 | 30 | 80% | +42 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 77% |
| Tue | 53 | 81% |
| Wed | 52 | 75% |
| Thu | 51 | 78% |
| Fri | 50 | 68% |
| Sat | 51 | 76% |
| Sun | 50 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…