No delays reported for UA 1548 (JAC→EWR, EWR→LAS) as of 6:47 PM ET. It arrived on time 75.6% of the time in June-August 2026. When it was late, the average delay was 1h 3m. 9.2% of flights were cancelled. Right now there are no reported delays at JAC, EWR, LAS.
High cancellation risk
Leg 2 of 2 (EWR → LAS): Should be in the air from EWR, scheduled to land at LAS at 7:32 PM local time. Line up a backup option.
9.2% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check United for official times.
Book a backup seat JAC → LASThis flight is cancelled often; a refundable backup costs little
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| JAC → EWR Jackson, WY to Newark, NJ | 7:00 AM → 1:14 PM | 75% |
| EWR → LAS Newark, NJ to Las Vegas, NV | 4:59 PM → 7:32 PM | 83% |
Local times. Schedules change; check your booking.
How reliable is UA 1548?
| Arrived on time (within 15 min) | 75.6% |
| Average delay when late | 63 min |
| Cancelled | 9.2% |
| Diverted | 3.1% |
| Flights tracked | 98 |
Best and worst days to fly UA 1548
UA 1548 was most reliable on Fridays (100% on time) and least reliable on Mondays (57%).
| Monday | |
| Tuesday | |
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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.
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 1548 delayed today?
Right now there are no reported delays at JAC, EWR, LAS. Checked 6:47 PM ET. For this flight's gate and exact status, check the United app.
Is UA 1548 usually on time?
UA 1548 arrived within 15 minutes of schedule 75.6% of the time in June-August 2026, with an average delay of 63 minutes when late.
How often is UA 1548 cancelled?
9.2% of UA 1548 flights were cancelled in June-August 2026.