Route Reliability
Newark → San Francisco
EWR–SFO · 2,565 miles · Newark Liberty International Airport to San Francisco International Airport
- 72%
- Arrive within 15 minutes
- 17 min
- Average arrival delay
- 2.5%
- Cancelled
- 4,416
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Alaska Airlines77%663 flights
- 2.United Airlines71%3,753 flights
What the data says
Morning-you made the right choice.
EWR–SFO flights departing between 6–9 AM arrived on time 79% of the time, versus 61% between 6–9 PM.
Skip Thursday if you can.
EWR–SFO flights arrived on time 79% of the time on Tuesdays. On Thursdays: 68%.
Alaska Airlines has a slight edge here.
Alaska Airlines arrived on time 77% of the time on this route; United Airlines managed 71%.
Trending in the right direction.
EWR–SFO flights arrived on time 77% of the time over the last three months in the data, compared with 68% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon69%(615 flights)
- Tue79%(613 flights)
- Wed74%(617 flights)
- Thu68%(624 flights)
- Fri72%(631 flights)
- Sat73%(583 flights)
- Sun69%(610 flights)
- 6–9 AM79%(1241 flights)
- 9 AM–12 PM75%(663 flights)
- 12–3 PM73%(719 flights)
- 3–6 PM70%(803 flights)
- 6–9 PM61%(866 flights)
- 9 PM–12 AM—(1 flights)
Jun 69% → May 72% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 370 |
| July 2025 | 67% | 378 |
| August 2025 | 77% | 372 |
| September 2025 | 76% | 352 |
| October 2025 | 66% | 386 |
| November 2025 | 74% | 343 |
| December 2025 | 59% | 362 |
| January 2026 | 72% | 312 |
| February 2026 | 73% | 276 |
| March 2026 | 82% | 368 |
| April 2026 | 79% | 376 |
| May 2026 | 72% | 398 |
Same trip, other airports
Keep nerding
Based on 4,416 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.