Flight OddsUA1184 SFO → ORD
United Airlines · San Francisco, CA to Chicago, IL · 53 flights observed, 2025-12-02 to 2026-02-11 · 1,846 mi
UA1184 covers more than one route in the data window — the stats below are for SFO → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-17 min
90th percentile
+13 min
Cancellation rate
0%
How often is UA1184 on time?
Across 53 flights on SFO → ORD from 2025-12-02 to 2026-02-11, UA1184 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +13 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 | 48 | 91% |
| 16-30 min | 3 | 6% |
| 31-60 min | 2 | 4% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 16 | 81% | -7 min |
| 2026-01 | 26 | 92% | -14 min |
| 2026-02 | 11 | 100% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 86% |
| Tue | 9 | 100% |
| Wed | 9 | 89% |
| Thu | 7 | 86% |
| Fri | 7 | 86% |
| Sat | 7 | 86% |
| Sun | 7 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…