UA1498 ORD → SFO
United Airlines · Chicago, IL to San Francisco, CA · 74 flights observed, 2025-10-26 to 2026-03-04 · 1,846 mi
UA1498 covers more than one route in the data window — the stats below are for ORD → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
-2 min
90th percentile
+48 min
Cancellation rate
1%
How often is UA1498 on time?
Across 74 flights on ORD → SFO from 2025-10-26 to 2026-03-04, UA1498 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +48 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 50 | 68% |
| 16-30 min | 8 | 11% |
| 31-60 min | 10 | 14% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | +1 min |
| 2025-11 | 29 | 66% | +25 min |
| 2025-12 | 17 | 76% | +8 min |
| 2026-02 | 17 | 59% | +10 min |
| 2026-03 | 4 | 75% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 73% |
| Tue | 10 | 90% |
| Wed | 11 | 64% |
| Thu | 10 | 60% |
| Fri | 10 | 70% |
| Sat | 10 | 70% |
| Sun | 11 | 55% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…