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Flight Reliability

F9 1991 · Frontier Airlines

Oklahoma City → Las Vegas (OKC–LAS)

87
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
2 min early
Average arrival delay
0.9%
Cancelled
13 min early
Median arrival delay

Based on 114 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 1991 departing between 9 AM–12 PM arrived on time 100% of the time, versus 74% between 6–9 PM.

Friday comes out ahead.

A small edge: 85% on time on Fridays against 79% on Mondays.

Better than the Frontier Airlines network average.

F9 1991 arrived on time 82% of the time, versus 73% across the Frontier Airlines network.

Trending in the right direction.

F9 1991 arrived on time 91% of the time over the last three months in the data, compared with 83% in the three months before that.

The breakdown

On-time by weekday
  • Mon79%(29 flights)
  • Tue—(3 flights)
  • Wed—(1 flights)
  • Thu81%(16 flights)
  • Fri85%(27 flights)
  • Sat—(2 flights)
  • Sun83%(35 flights)
On-time by departure window
  • 9 AM–12 PM100%(20 flights)
  • 12–3 PM82%(61 flights)
  • 3–6 PM—(9 flights)
  • 6–9 PM74%(23 flights)
On-time trend by month
100%
Mar

Jun 70% → Mar 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%10
September 202575%12
October 202585%13
November 202590%10
December 202582%11
February 202690%10
March 2026100%13
Departures on time
81%
Diverted
0%
Flights flown
113
Months covered
12

Same route, other flights

Keep nerding

Based on 114 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.