Flight OddsUA299 SEA → ORD
United Airlines · Seattle, WA to Chicago, IL · 15 flights observed, 2025-08-01 to 2025-08-18 · 1,721 mi
UA299 covers more than one route in the data window — the stats below are for SEA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
31%
Median delay
+34 min
90th percentile
+91 min
Cancellation rate
13%
How often is UA299 on time?
Across 15 flights on SEA → ORD from 2025-08-01 to 2025-08-18, UA299 arrived within 15 minutes of schedule 31% of the time. The median arrival delay was +34 min, and the worst 10% of flights arrived +91 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 4 | 31% |
| 16-30 min | 1 | 8% |
| 31-60 min | 5 | 38% |
| 61-120 min | 3 | 23% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 31% | +37 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | 2 | 50% |
| Wed | No data | — |
| Thu | 2 | 50% |
| Fri | 3 | 0% |
| Sat | No data | — |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…