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Route · ATL → PIT · 2020–2025 BTS data

Atlanta to Pittsburgh

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to PIT (Atlanta to Pittsburgh) ranks #587 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.2%
On-time
+6.2 pts
vs US avg
61 min
Delay when late
15,385
Flights
#587 of 4927
Corpus placement

Cancelled

1.1%

Best Month

Nov 2024 95%

Worst Month

Jul 2024 66%

Distance

526 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 228 51 8 0 DL,WN
Nov 2025 217 32 7 0 DL,WN
Oct 2025 251 34 0 0 DL,WN
Sep 2025 235 25 0 0 WN,DL
Aug 2025 246 34 7 1 WN,DL
Jul 2025 250 46 2 0 DL,WN
Jun 2025 246 56 6 2 DL,WN
May 2025 254 57 0 1 DL,WN
Apr 2025 230 41 4 0 DL,WN
Mar 2025 234 50 1 0 DL,WN
Feb 2025 204 30 0 1 DL,WN
Jan 2025 211 37 9 0 DL,WN
Dec 2024 230 27 0 0 DL,WN
Nov 2024 219 10 0 1 WN,DL
Oct 2024 252 21 0 0 DL,WN
Sep 2024 239 29 0 0 WN,DL,F9
Aug 2024 254 57 1 0 DL,F9,WN
Jul 2024 271 92 17 0 DL,F9,WN
Jun 2024 256 49 0 0 DL,F9,WN
May 2024 272 79 3 0 DL,F9,WN
Apr 2024 245 31 0 0 DL,WN
Mar 2024 229 31 0 0 DL,WN
Feb 2024 185 26 0 0 DL,WN
Jan 2024 199 32 0 0 DL,WN

ATL–PIT seasonal on-time pattern

Best: September (90.1%) · weakest: July (77.4%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 83.8%

Strongest calendar month

September

90.1% on-time · ~210 flights/mo

Busiest calendar month

July

~232 flights/mo avg

Weakest calendar month

July

77.4% on-time · ~232 flights/mo

Cancellation Rate

1.1%

65 of 5,657 flights

Diversion Rate

0.1%

6 of 5,657 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

PIT - Pittsburgh

Full on-time, delay-cause, and seasonal performance for Pittsburgh, PA.

PIT on-time profile

Compare the two airports

See ATL and PIT side by side on delays, cancellations, and reliability.

Compare ATL vs PIT

Origin-hub reliability standing

Among ATL's stronger departures

ATL → PIT posts a 85.2% on-time rate, landing in the ≥85% band with 67 of 144 BTS-tracked routes leaving Atlanta. The same hub also shows 75 mid-band and 2 challenged departures · fleet-wide on-time rank #1141 of 4927 (highest on-time = #1).

What the Data Says About ATL to PIT

Atlanta to Pittsburgh (ATL to PIT) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.2% on-time rate across 15,385 flights, with delays that do happen averaging 61.4 minutes. The corridor runs roughly 526 miles and is served by 7 carriers. Over the most recent 24 months, 65 of 5,657 flights were cancelled (1.1%) and 6 diverted (0.1%).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 66% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, ATL–PIT peaks in September at 90.1% on-time while July carries the heaviest traffic (~232 flights per month) ; the softest month is July at 77.4%, a 12.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ATL to PIT rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ATL to PIT ranks #587 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from ATL to PIT? ▼
Flights from Atlanta to Pittsburgh have a 85.2% on-time rate based on 15,385 flights. The average delay is 61.4 minutes. The best recent month was Nov 2024 with 95% on-time.
What is the cancellation rate for ATL to PIT? ▼
Over the last 24 months, 1.1% of flights on this route were cancelled (65 of 5,657 flights) and 0.1% were diverted.
How far is the flight from ATL to PIT? ▼
The flight distance from Atlanta (ATL) to Pittsburgh (PIT) is approximately 526 miles. This route is served by 7 carriers.
When is the best time to fly from ATL to PIT? ▼
The best recent month for on-time performance was Nov 2024 (95% on-time). The worst was Jul 2024 (66% on-time). Consider booking during months with historically better performance.

Airports on this route

ATL Airport

Atlanta
PIT Airport

Pittsburgh
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using ATL–PIT data

ATL–PIT runs 6.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ATL and PIT airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
  • If your dates flex, September (90.1% on-time) beats July (77.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.