Flight OddsUA2099 ORD → SEA
United Airlines · Chicago, IL to Seattle, WA · 155 flights observed, 2026-01-06 to 2026-06-30 · 1,721 mi
UA2099 covers more than one route in the data window — the stats below are for ORD → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-4 min
90th percentile
+24 min
Cancellation rate
0%
How often is UA2099 on time?
Across 155 flights on ORD → SEA from 2026-01-06 to 2026-06-30, UA2099 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +24 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 127 | 82% |
| 16-30 min | 20 | 13% |
| 31-60 min | 2 | 1% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 69% | +18 min |
| 2026-02 | 11 | 91% | -8 min |
| 2026-03 | 27 | 56% | +29 min |
| 2026-04 | 30 | 90% | +1 min |
| 2026-05 | 31 | 90% | -12 min |
| 2026-06 | 30 | 97% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 82% |
| Tue | 23 | 78% |
| Wed | 22 | 82% |
| Thu | 22 | 91% |
| Fri | 22 | 73% |
| Sat | 22 | 82% |
| Sun | 22 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…