Likely delayed: there are delays at UA 1773's airports as of 6:47 PM ET. It arrived on time 55.7% of the time in June-August 2026. When it was late, the average delay was 1h 0m. None were cancelled. SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed.
Likely delayed
Leg 2 of 3 (SFO → RDU): Likely delayed: SFO has major delays (wind, max 5 hours and 41 minutes). Scheduled to leave at 10:33 AM local time. This flight number flew about 5 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Medium 0% of its flights were cancelled in June-August 2026; SFO has major delays.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check United for official times.
What to do now
Some links are affiliate links.
Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| IAD → SFO Washington, DC to San Francisco, CA | 9:45 AM → 12:30 PM | 72% |
| SFO → RDU San Francisco, CA to Raleigh/Durham, NC | 10:33 AM → 6:48 PM | 100% |
| TPA → DEN Tampa, FL to Denver, CO | 4:20 PM → 6:20 PM | 49% |
Local times. Schedules change; check your booking.
How reliable is UA 1773?
| Arrived on time (within 15 min) | 55.7% |
| Average delay when late | 60 min |
| Cancelled | 0% |
| Diverted | 3.3% |
| Flights tracked | 91 |
Best and worst days to fly UA 1773
UA 1773 was most reliable on Wednesdays (83% on time) and least reliable on Saturdays (33%).
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by United to the Department of Transportation.
Other flights TPA → DEN
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the United app.
United delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is UA 1773 delayed today?
SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed. Checked 6:47 PM ET. For this flight's gate and exact status, check the United app.
Is UA 1773 usually on time?
UA 1773 arrived within 15 minutes of schedule 55.7% of the time in June-August 2026, with an average delay of 60 minutes when late.
How often is UA 1773 cancelled?
0% of UA 1773 flights were cancelled in June-August 2026.