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Route · IND → BWI · 2020–2025 BTS data

Indianapolis to Baltimore

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IND to BWI (Indianapolis to Baltimore) ranks #1990 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85%
On-time
+6 pts
vs US avg
60 min
Delay when late
6,324
Flights
#1990 of 4927
Corpus placement

Cancelled

0.9%

Best Month

Sep 2024 92%

Worst Month

Jul 2024 72%

Distance

516 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 96 22 0 0 WN
Nov 2025 101 13 2 0 WN
Oct 2025 119 19 0 0 WN
Sep 2025 95 14 0 0 WN
Aug 2025 98 14 1 0 WN
Jul 2025 119 28 6 0 WN
Jun 2025 114 26 0 0 WN
May 2025 105 20 0 0 WN
Apr 2025 98 9 0 0 WN
Mar 2025 92 16 1 0 WN
Feb 2025 88 11 0 1 WN
Jan 2025 91 15 2 0 WN
Dec 2024 96 15 0 0 WN
Nov 2024 101 15 0 0 WN
Oct 2024 109 16 1 0 WN
Sep 2024 106 9 0 0 WN
Aug 2024 111 16 3 0 WN
Jul 2024 119 33 0 0 WN
Jun 2024 113 17 0 1 WN
May 2024 93 18 0 0 WN
Apr 2024 89 9 0 0 WN
Mar 2024 88 12 0 0 WN
Feb 2024 83 9 2 0 WN
Jan 2024 88 16 3 0 WN

IND–BWI seasonal on-time pattern

Best: March (90.2%) · weakest: July (79.1%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 81.1%

Strongest calendar month

March

90.2% on-time · ~81 flights/mo

Busiest calendar month

July

~107 flights/mo avg

Weakest calendar month

July

79.1% on-time · ~107 flights/mo

Cancellation Rate

0.9%

21 of 2,412 flights

Diversion Rate

0.1%

2 of 2,412 flights

Explore origin & destination

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

IND - Indianapolis

Full on-time, delay-cause, and seasonal performance for Indianapolis, IN.

IND 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 IND and BWI side by side on delays, cancellations, and reliability.

Compare IND vs BWI

Origin-hub reliability standing

Among IND's stronger departures

IND → BWI posts a 85% on-time rate, landing in the ≥85% band with 12 of 32 BTS-tracked routes leaving Indianapolis. The same hub also shows 20 mid-band and 0 challenged departures · fleet-wide on-time rank #1216 of 4927 (highest on-time = #1).

What the Data Says About IND to BWI

Indianapolis to Baltimore (IND to BWI) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85% on-time rate across 6,324 flights, with delays that do happen averaging 60.3 minutes. The corridor runs roughly 516 miles and is served by 1 carrier. Over the most recent 24 months, 21 of 2,412 flights were cancelled (0.9%) and 2 diverted (0.1%).

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 92% on-time, while Jul 2024 came in at just 72% - a 19-point swing worth factoring into travel timing.

On the multi-year calendar, IND–BWI peaks in March at 90.2% on-time while July carries the heaviest traffic (~107 flights per month) ; the softest month is July at 79.1%, a 11.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IND to BWI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, IND to BWI ranks #1990 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 IND to BWI? ▼
Flights from Indianapolis to Baltimore have a 85% on-time rate based on 6,324 flights. The average delay is 60.3 minutes. The best recent month was Sep 2024 with 92% on-time.
What is the cancellation rate for IND to BWI? ▼
Over the last 24 months, 0.9% of flights on this route were cancelled (21 of 2,412 flights) and 0.1% were diverted.
How far is the flight from IND to BWI? ▼
The flight distance from Indianapolis (IND) to Baltimore (BWI) is approximately 516 miles. This route is served by 1 carrier.
When is the best time to fly from IND to BWI? ▼
The best recent month for on-time performance was Sep 2024 (92% on-time). The worst was Jul 2024 (72% on-time). Consider booking during months with historically better performance.

Airports on this route

IND Airport

Indianapolis
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 IND–BWI data

IND–BWI runs 6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IND and BWI airport profiles: delay causes and top routes differ even on the same corridor. IND airport
  • If your dates flex, March (90.2% on-time) beats July (79.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85% 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.