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Flight Reliability

F9 2634 · Frontier Airlines

Atlanta → Baltimore (ATL–BWI)

33
Bring Snacks
WanderNerd Reliability Score
54%
Arrive within 15 minutes
28 min
Average arrival delay
4.1%
Cancelled
13 min
Median arrival delay

Based on 221 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 2634 departing between 12–3 PM arrived on time 58% of the time, versus 35% between 9 AM–12 PM.

Sunday scaries are real for this one.

F9 2634 arrived on time 71% of the time on Thursdays and just 42% on Sundays. That gap is worth planning around.

Well behind the ATL–BWI route.

F9 2634 arrived on time 54% of the time, versus 75% across the ATL–BWI route.

Well behind the Frontier Airlines network.

F9 2634 arrived on time 54% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon49%(35 flights)
  • Tue57%(21 flights)
  • Wed48%(21 flights)
  • Thu71%(35 flights)
  • Fri53%(34 flights)
  • Sat61%(28 flights)
  • Sun42%(36 flights)
On-time by departure window
  • 6–9 AM—(4 flights)
  • 9 AM–12 PM35%(26 flights)
  • 12–3 PM58%(109 flights)
  • 3–6 PM55%(65 flights)
  • 6–9 PM—(6 flights)
On-time trend by month
70%
Apr

Jun 46% → Apr 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%22
July 202527%26
August 202555%29
September 202558%19
October 202571%28
November 202570%30
December 202532%22
February 202660%10
April 202670%10
Departures on time
58%
Diverted
0.9%
Flights flown
210
Months covered
11

Same route, other flights

Keep nerding

Based on 221 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.