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Route Reliability

AZA → BIL

AZA–BIL · 878 miles · AZA Airport to BIL Airport

95
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
4 min early
Average arrival delay
0%
Cancelled
174
Flights in the data

Data through May 2026.

Allegiant Air is the only airline in this data on this route, arriving on time 87% of the time across 174 flights. No comparison to make.

What the data says

Morning flights do better here.

AZA–BIL flights departing between 6–9 AM arrived on time 94% of the time, versus 77% between 12–3 PM.

Thursdays have been rough.

AZA–BIL flights arrived on time 92% of the time on Tuesdays and just 74% on Thursdays. That gap is worth planning around.

It basically never cancels.

Out of 174 scheduled flights, only 0.0% were cancelled.

Recent months have been rougher.

AZA–BIL flights arrived on time 77% of the time over the last three months in the data, compared with 93% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon87%(37 flights)
  • Tue92%(13 flights)
  • Wed92%(37 flights)
  • Thu74%(19 flights)
  • Fri87%(37 flights)
  • Sat82%(11 flights)
  • Sun90%(20 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM94%(36 flights)
  • 9 AM–12 PM89%(56 flights)
  • 12–3 PM77%(47 flights)
  • 3–6 PM87%(30 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
71%
May

Jun 92% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%13
July 202588%16
September 202583%12
October 202579%14
November 202594%17
December 202586%21
January 202694%16
February 2026100%13
March 202681%16
April 202677%13
May 202671%14

Keep nerding

Based on 174 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.