About 1 in 4 UA 1389 flights from Columbus arrived 15+ minutes late, diverted or cancelled over the past year (24%); 0.5% were cancelled. The typical flight landed 8 minutes early.
UA 1389: CMH → DEN
Scheduled to leave Columbus at 3:30 p.m. local time. Over the past year it arrived on time 76% of the time (363 flights), worse than other UA flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Columbus to Denver (100% of days). United Airlines's last CMH–DEN flight was cancelled 0.5% of the time, against 1.1% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 9:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 74% |
| Tuesday | 52 | 81% |
| Wednesday | 52 | 75% |
| Thursday | 51 | 80% |
| Friday | 52 | 71% |
| Saturday | 51 | 78% |
| Sunday | 52 | 71% |
Why it was late
All flights CMH → DEN · Connecting off UA 1389? Check the risk
UA 1389: DEN → SFO
Scheduled to leave Denver at 7:15 p.m. local time. Over the past year it arrived on time 38% of the time (180 flights), worse than other UA flights on the route at that hour (45%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 31% |
| Tuesday | 25 | 68% |
| Wednesday | 25 | 40% |
| Thursday | 26 | 31% |
| Friday | 26 | 35% |
| Saturday | 26 | 42% |
| Sunday | 26 | 19% |
Why it was late
All flights DEN → SFO · Connecting off UA 1389? Check the risk
Questions
How often is UA 1389 from CMH to DEN late?
United Airlines 1389 from Columbus, OH to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 24% of 363 scheduled flights between September 2025 and August 2026. 0.5% were cancelled.
How often is UA 1389 from DEN to SFO late?
United Airlines 1389 from Denver, CO to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 62% of 180 scheduled flights between September 2025 and August 2026. 0.0% 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.