Flight OddsUA4173 DAY → ORD
United Airlines · Dayton, OH to Chicago, IL · 97 flights observed, 2026-02-12 to 2026-05-20 · 240 mi
UA4173 covers more than one route in the data window — the stats below are for DAY → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
-8 min
90th percentile
+99 min
Cancellation rate
2%
How often is UA4173 on time?
Across 97 flights on DAY → ORD from 2026-02-12 to 2026-05-20, UA4173 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +99 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 64 | 67% |
| 16-30 min | 9 | 9% |
| 31-60 min | 9 | 9% |
| 61-120 min | 6 | 6% |
| 2+ hrs | 7 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 17 | 76% | -10 min |
| 2026-03 | 29 | 72% | +54 min |
| 2026-04 | 29 | 66% | +16 min |
| 2026-05 | 20 | 55% | +36 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 50% |
| Tue | 14 | 50% |
| Wed | 14 | 71% |
| Thu | 13 | 85% |
| Fri | 14 | 57% |
| Sat | 13 | 77% |
| Sun | 13 | 85% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…