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Route Reliability

San Antonio → Newark

SAT–EWR · 1,569 miles · San Antonio International Airport to Newark Liberty International Airport

89
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
0 min
Average arrival delay
0.9%
Cancelled
541
Flights in the data

Data through May 2026.

Airlines on this route

  • United Airlines88% on time · 530 flights
  • Spirit Airlines50% on time · 11 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

The 6–9 AM departure wins.

SAT–EWR flights departing between 6–9 AM arrived on time 92% of the time, versus 70% between 9 AM–12 PM.

Skip Thursday if you can.

SAT–EWR flights arrived on time 92% of the time on Tuesdays. On Thursdays: 80%.

Ticking up lately.

SAT–EWR flights arrived on time 94% of the time over the last three months in the data, compared with 89% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon89%(82 flights)
  • Tue92%(79 flights)
  • Wed91%(79 flights)
  • Thu80%(80 flights)
  • Fri86%(86 flights)
  • Sat87%(54 flights)
  • Sun85%(73 flights)
On-time by departure window
  • 6–9 AM92%(325 flights)
  • 9 AM–12 PM70%(67 flights)
  • 12–3 PM85%(141 flights)
On-time trend by month
96%
May

Jun 81% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%37
July 202582%33
August 202584%31
September 202584%32
October 202582%55
November 202584%56
December 202583%58
January 202691%34
February 202692%38
March 202685%54
April 2026100%52
May 202696%53

Same trip, other airports

Keep nerding

Based on 541 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.