Flight profile · United Airlines
UA2248
San Francisco (SFO) to Newark (EWR) · scheduled 2:45 PM – 11:37 PM
How UA2248 performs
400 operations, 2025-05-22 to 2026-06-30.
UA2248 arrived on time 64.7% of the time, against 76.2% for all SFO → EWR flights — this specific departure is 11.5 percentage points worse than the route as a whole. Against United Airlines’s own flights on this route it is 10.7 points worse.
Source: US DOT Bureau of Transportation Statistics · 400 operations between 2025-05-22 to 2026-06-30
Against the rest of the route
| On time | Cancelled | Median delay | Severe | Flights | |
|---|---|---|---|---|---|
| UA2248 | 64.7% | 2.00% | 1 min | 19.2% | 400 |
| United Airlines on SFO → EWR | 75.4% | 1.89% | -7 min | 10.5% | 10,548 |
| All SFO → EWR flights | 76.2% | 1.81% | -8 min | 10.0% | 12,682 |
Source: FlyerIntel analysis of US DOT BTS data · 2025-05-22 to 2026-06-30
Other routes UA2248 has flown
A flight number is a slot in a schedule, and carriers reassign it. These are the other city pairs this number served in the analysis period.
| Route | Operated | Flights | On time |
|---|---|---|---|
| ONT→SFO Ontario to San Francisco | 2026-03-29 – 2026-04-29 | 29 | — |
| TPA→SFO Tampa to San Francisco | 2026-02-12 – 2026-03-28 | 45 | — |
| COS→DEN Colorado Springs to Denver | 2025-12-02 – 2025-12-02 | 1 | — |
| MIA→SFO Miami to San Francisco | 2025-03-30 – 2025-05-21 | 53 | — |
| EWR→SAT Newark to San Antonio | 2025-03-06 – 2025-03-29 | 24 | — |
| IAH→DTW Houston to Detroit | 2025-02-13 – 2025-03-05 | 18 | — |
| SFO→PIT San Francisco to Pittsburgh | 2024-09-26 – 2025-02-12 | 84 | — |
| PHX→SFO Phoenix to San Francisco | 2024-12-19 – 2025-01-06 | 17 | — |
| PIT→ORD Pittsburgh to Chicago | 2024-12-03 – 2024-12-18 | 16 | — |
| AUS→SFO Austin to San Francisco | 2024-06-27 – 2024-12-02 | 158 | 94.2% |
| SFO→STL San Francisco to St. Louis | 2024-08-19 – 2024-08-31 | 13 | — |
| SFO→SNA San Francisco to Santa Ana | 2023-09-29 – 2024-08-18 | 301 | 82.6% |
| PHL→SFO Philadelphia to San Francisco | 2024-05-23 – 2024-06-26 | 35 | — |
| IAD→SFO Washington to San Francisco | 2024-03-31 – 2024-03-31 | 1 | — |
| MIA→DEN Miami to Denver | 2024-03-07 – 2024-03-30 | 24 | — |
| SNA→EWR Santa Ana to Newark | 2023-11-01 – 2024-02-14 | 86 | — |
| RNO→SFO Reno to San Francisco | 2023-12-21 – 2024-01-08 | 17 | — |
| SAV→EWR Savannah to Newark | 2023-07-01 – 2023-09-28 | 89 | — |
Because the same number has served different journeys, the statistics above describe only the route UA2248 currently operates. Blending them would produce an average of two different flights.
Why UA2248 runs late
Where US DOT attributed the delay minutes on this flight.
the inbound aircraft was late, so this flight started late
airspace and airport capacity, including weather-driven flow control
crew, maintenance, boarding, fuelling — within the carrier’s control
weather severe enough to stop this flight specifically
Share of the delay minutes US DOT attributed to each cause for UA2248 on SFO → EWR. A single late flight can carry more than one cause, and only delays of fifteen minutes or more are attributed at all.
Other departures on SFO → EWR
Same airports, same journey — and not the same odds of arriving on time.
| Flight | Airline | On time | Median arrival | Operations |
|---|---|---|---|---|
| AS292 | Alaska Airlines | 84.2% | 13 min early | 951 |
| UA1149 | United Airlines | 83.8% | 13 min early | 897 |
Every departure listed carries at least 600 operations, so the comparison is between figures that mean something. Schedules change; confirm the departure still operates before booking around this.
Data and methodology
Calculated by FlyerIntel from 400 records of UA2248 operating SFO → EWR, published by the US DOT Bureau of Transportation Statistics. A flight counts as delayed when it arrives 15 or more minutes after schedule. Cancelled and diverted flights are excluded from the on-time rate and reported separately. Flight numbers are resolved as carrier plus number plus route, because the same number serves different routes over time.