Flight OddsUA2618 SEA → ORD
United Airlines · Seattle, WA to Chicago, IL · 234 flights observed, 2025-08-19 to 2026-06-30 · 1,721 mi
UA2618 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
93%
Median delay
-11 min
90th percentile
+10 min
Cancellation rate
0%
How often is UA2618 on time?
Across 234 flights on SEA → ORD from 2025-08-19 to 2026-06-30, UA2618 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +10 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 | 215 | 93% |
| 16-30 min | 5 | 2% |
| 31-60 min | 3 | 1% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 7 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 92% | -4 min |
| 2025-09 | 30 | 97% | -2 min |
| 2025-10 | 31 | 100% | -10 min |
| 2025-11 | 30 | 90% | +4 min |
| 2025-12 | 31 | 84% | +3 min |
| 2026-01 | 5 | 100% | -27 min |
| 2026-03 | 2 | 100% | +2 min |
| 2026-04 | 30 | 97% | +2 min |
| 2026-05 | 31 | 90% | -7 min |
| 2026-06 | 29 | 90% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 91% |
| Tue | 33 | 94% |
| Wed | 33 | 94% |
| Thu | 33 | 94% |
| Fri | 33 | 94% |
| Sat | 33 | 91% |
| Sun | 33 | 91% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…