About 1 in 3 UA 1596 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (33%); 0.0% were cancelled. The typical flight landed 0 minutes early.
UA 1596: SFO → DEN
Scheduled to leave San Francisco at 2:20 p.m. local time. Over the past year it arrived on time 67% of the time (257 flights), in line with other UA flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 37 | 65% |
| Tuesday | 36 | 69% |
| Wednesday | 36 | 64% |
| Thursday | 37 | 62% |
| Friday | 37 | 62% |
| Saturday | 37 | 76% |
| Sunday | 37 | 70% |
Why it was late
All flights SFO → DEN · Connecting off UA 1596? Check the risk
UA 1596: DEN → MCI
Scheduled to leave Denver at 8:40 p.m. local time. Over the past year it arrived on time 58% of the time (148 flights), worse than other UA flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Denver to Kansas City (100% of days). United Airlines's last DEN–MCI flight was cancelled 0.5% of the time, against 0.2% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 8:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 21 | 43% |
| Tuesday | 20 | 70% |
| Wednesday | 20 | 55% |
| Thursday | 22 | 50% |
| Friday | 22 | 59% |
| Saturday | 22 | 73% |
| Sunday | 21 | 57% |
Why it was late
All flights DEN → MCI · Connecting off UA 1596? Check the risk
Questions
How often is UA 1596 from SFO to DEN late?
United Airlines 1596 from San Francisco, CA to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 33% of 257 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
How often is UA 1596 from DEN to MCI late?
United Airlines 1596 from Denver, CO to Kansas City, MO arrived 15 or more minutes late, was diverted or was cancelled on 42% of 148 scheduled flights between September 2025 and August 2026. 0.7% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.