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Route · PIT → BWI · 2020–2025 BTS data

Pittsburgh to Baltimore

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PIT to BWI (Pittsburgh to Baltimore) ranks #2159 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

88.2%
On-time
+9.2 pts
vs US avg
63 min
Delay when late
5,799
Flights
#2159 of 4927
Corpus placement

Cancelled

1.1%

Best Month

Nov 2024 96%

Worst Month

Jan 2025 75%

Distance

210 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 91 19 1 0 WN
Nov 2025 86 7 0 0 WN
Oct 2025 93 10 0 0 WN
Sep 2025 86 6 0 0 WN
Aug 2025 89 14 1 0 WN
Jul 2025 92 22 5 0 WN
Jun 2025 88 18 0 0 WN
May 2025 93 11 1 0 WN
Apr 2025 90 10 0 0 WN
Mar 2025 92 13 1 0 WN
Feb 2025 82 8 0 0 WN
Jan 2025 92 23 5 0 WN
Dec 2024 89 16 0 0 WN
Nov 2024 85 3 0 0 WN
Oct 2024 93 6 2 0 WN
Sep 2024 86 7 0 0 WN
Aug 2024 89 19 2 0 WN
Jul 2024 93 10 0 1 WN
Jun 2024 90 11 1 0 WN
May 2024 93 16 0 0 WN
Apr 2024 90 9 0 0 WN
Mar 2024 94 10 0 0 WN
Feb 2024 91 6 0 0 WN
Jan 2024 95 14 4 0 WN

PIT–BWI seasonal on-time pattern

Best: November (94.0%) · weakest: December (82.1%)

80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 82.1%

Strongest calendar month

November

94.0% on-time · ~75 flights/mo

Busiest calendar month

July

~96 flights/mo avg

Weakest calendar month

December

82.1% on-time · ~75 flights/mo

Cancellation Rate

1.1%

23 of 2,162 flights

Diversion Rate

0.0%

1 of 2,162 flights

Explore origin & destination

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

PIT - Pittsburgh

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

PIT on-time profile

BWI - Baltimore

Full on-time, delay-cause, and seasonal performance for Baltimore, MD.

BWI on-time profile

Compare the two airports

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

Compare PIT vs BWI

Origin-hub reliability standing

Among PIT's stronger departures

PIT → BWI posts a 88.2% on-time rate, landing in the ≥85% band with 13 of 33 BTS-tracked routes leaving Pittsburgh. The same hub also shows 19 mid-band and 1 challenged departures · fleet-wide on-time rank #391 of 4927 (highest on-time = #1).

What the Data Says About PIT to BWI

Pittsburgh to Baltimore (PIT to BWI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.2% on-time rate across 5,799 flights, with delays that do happen averaging 63.0 minutes. The corridor runs roughly 210 miles and is served by 3 carriers. Over the most recent 24 months, 23 of 2,162 flights were cancelled (1.1%) and 1 diverted (0.0%).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 96% on-time, while Jan 2025 came in at just 75% - a 22-point swing worth factoring into travel timing.

On the multi-year calendar, PIT–BWI peaks in November at 94.0% on-time while July carries the heaviest traffic (~96 flights per month) ; the softest month is December at 82.1%, a 11.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PIT to BWI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PIT to BWI ranks #2159 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 PIT to BWI? ▼
Flights from Pittsburgh to Baltimore have a 88.2% on-time rate based on 5,799 flights. The average delay is 63.0 minutes. The best recent month was Nov 2024 with 96% on-time.
What is the cancellation rate for PIT to BWI? ▼
Over the last 24 months, 1.1% of flights on this route were cancelled (23 of 2,162 flights) and 0.0% were diverted.
How far is the flight from PIT to BWI? ▼
The flight distance from Pittsburgh (PIT) to Baltimore (BWI) is approximately 210 miles. This route is served by 3 carriers.
When is the best time to fly from PIT to BWI? ▼
The best recent month for on-time performance was Nov 2024 (96% on-time). The worst was Jan 2025 (75% on-time). Consider booking during months with historically better performance.

Airports on this route

PIT Airport

Pittsburgh
BWI Airport

Baltimore
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 PIT–BWI data

PIT–BWI runs 9.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare PIT and BWI airport profiles: delay causes and top routes differ even on the same corridor. PIT airport
  • If your dates flex, November (94.0% on-time) beats December (82.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 88.2% 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.