Skip to content
WanderNerd
Check a flight

Route Reliability

Pittsburgh → Atlanta

PIT–ATL · 526 miles · Pittsburgh International Airport to Hartsfield–Jackson Atlanta International Airport

87
Pretty Reliable
WanderNerd Reliability Score
90%
Arrive within 15 minutes
7 min early
Average arrival delay
2.2%
Cancelled
2,800
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines91%2,489 flights
  2. 2.Southwest Airlines87%311 flights

What the data says

Morning-you made the right choice.

PIT–ATL flights departing between 3–6 AM arrived on time 97% of the time, versus 84% between 6–9 PM.

Skip Monday if you can.

PIT–ATL flights arrived on time 93% of the time on Wednesdays. On Mondays: 86%.

Delta Air Lines has a slight edge here.

Delta Air Lines arrived on time 91% of the time on this route; Southwest Airlines managed 87%.

Ticking up lately.

PIT–ATL flights arrived on time 90% of the time over the last three months in the data, compared with 87% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon86%(421 flights)
  • Tue90%(374 flights)
  • Wed93%(375 flights)
  • Thu92%(418 flights)
  • Fri92%(413 flights)
  • Sat92%(310 flights)
  • Sun88%(415 flights)
On-time by departure window
  • 3–6 AM97%(92 flights)
  • 6–9 AM93%(605 flights)
  • 9 AM–12 PM94%(627 flights)
  • 12–3 PM91%(605 flights)
  • 3–6 PM84%(459 flights)
  • 6–9 PM84%(338 flights)
On-time trend by month
89%
May

Jun 88% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%238
July 202588%247
August 202592%234
September 202596%235
October 202592%250
November 202592%209
December 202582%218
January 202687%205
February 202692%209
March 202688%223
April 202694%218
May 202689%240

Keep nerding

Based on 2,800 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.