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Flight Reliability

AS 546 · Alaska Airlines

Indianapolis → Seattle (IND–SEA)93% of its flights flew this route. The rest (SEA–SJC) are included in these numbers.

85
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min
Average arrival delay
1.2%
Cancelled
5 min early
Median arrival delay

Based on 164 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

AS 546 arrived on time 91% of the time on Wednesdays. On Fridays: 78%.

Better than the IND–SEA route average.

AS 546 arrived on time 85% of the time, versus 75% across the IND–SEA route.

A bit ahead of the Alaska Airlines network.

AS 546 arrived on time 85% of the time, versus 80% across the Alaska Airlines network.

Trending in the right direction.

AS 546 arrived on time 89% of the time over the last three months in the data, compared with 81% in the three months before that.

The breakdown

On-time by weekday
  • Mon78%(23 flights)
  • Tue78%(23 flights)
  • Wed91%(23 flights)
  • Thu87%(23 flights)
  • Fri78%(23 flights)
  • Sat87%(23 flights)
  • Sun91%(23 flights)
On-time by departure window
  • 6–9 AM85%(150 flights)
  • 6–9 PM82%(11 flights)
On-time trend by month
90%
May

Jun 86% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202583%30
August 202574%31
September 202583%30
October 202596%22
May 202690%19
Departures on time
80%
Diverted
0.6%
Flights flown
161
Months covered
6

Same route, other flights

Keep nerding

Based on 164 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.