Historical on-time performance
Newark to Austin
1,504 miData through Dec 2025Source: US DOT · BTS
Flights on EWR–AUS arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 1,773 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time74%Medianon timep9060 minCancel1.1%Flights1,653
- Spirit AirlinesOn-time58%Medianon timep9075 minCancel5.8%Flights120
Why flights run late
Delay causes
- Airline23%
- Weather7%
- Air traffic (NAS)25%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly EWR → AUS
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 25 min · 1,616 flights
- Middays78% on time · p90 35 min · 1,532 flights
- Afternoons67% on time · p90 85 min · 1,149 flights
- Evenings67% on time · p90 95 min · 848 flights
- Overnights60% on time · p90 80 min · 808 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 78% on time.
- Tuesdays78% on time · p90 35 min · 881 flights
- Wednesdays77% on time · p90 45 min · 877 flights
- Mondays77% on time · p90 50 min · 893 flights
- Saturdays73% on time · p90 65 min · 742 flights
- Thursdays70% on time · p90 60 min · 882 flights
- Fridays70% on time · p90 60 min · 864 flights
- Sundays69% on time · p90 70 min · 814 flights
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