Flight OddsUA1218 SFO → SEA
United Airlines · San Francisco, CA to Seattle, WA · 26 flights observed, 2025-07-01 to 2025-07-31 · 679 mi
UA1218 covers more than one route in the data window — the stats below are for SFO → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
+5 min
90th percentile
+110 min
Cancellation rate
0%
How often is UA1218 on time?
Across 26 flights on SFO → SEA from 2025-07-01 to 2025-07-31, UA1218 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +110 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 | 15 | 58% |
| 16-30 min | 3 | 12% |
| 31-60 min | 2 | 8% |
| 61-120 min | 3 | 12% |
| 2+ hrs | 3 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 58% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 5 | 80% |
| Wed | 5 | 40% |
| Thu | 5 | 40% |
| Fri | 3 | 33% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…