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Route · SFO → IND · 2020–2025 BTS data

San Francisco to Indianapolis

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to IND (San Francisco to Indianapolis) ranks #3995 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.2%
On-time
+3.2 pts
vs US avg
62 min
Delay when late
1,715
Flights
#3995 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Apr 2025 86%

Worst Month

Jul 2025 67%

Distance

1,943 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 42 11 0 0 UA
Nov 2025 50 10 1 0 UA
Oct 2025 49 1 0 1 UA
Sep 2025 34 7 0 0 UA
Aug 2025 43 11 0 1 UA
Jul 2025 54 18 0 0 UA
Jun 2025 52 10 0 0 UA
May 2025 53 8 1 0 UA
Apr 2025 51 7 2 1 UA
Mar 2025 32 2 0 1 UA
Jan 2025 31 4 0 0 UA
Dec 2024 33 5 0 0 UA
Nov 2024 48 8 0 0 UA
Oct 2024 48 6 0 1 UA
Sep 2024 47 10 0 0 UA
Aug 2024 38 2 0 0 UA
Jul 2024 31 5 1 0 UA
May 2024 35 8 0 0 UA
Apr 2024 30 9 0 0 UA
Mar 2024 31 9 0 0 UA
Jan 2024 30 10 1 0 UA
Dec 2023 31 11 0 0 UA
Nov 2023 30 7 0 0 UA
Oct 2023 31 5 0 0 UA

SFO–IND seasonal on-time pattern

Best: October (87.3%) · weakest: July (76.2%)

75%80%85%90% JanMarAprMayJunJulAugSepOctNovDec 77.8%

Strongest calendar month

October

87.3% on-time · ~38 flights/mo

Busiest calendar month

May

~38 flights/mo avg

Weakest calendar month

July

76.2% on-time · ~37 flights/mo

Cancellation Rate

0.6%

6 of 954 flights

Diversion Rate

0.5%

5 of 954 flights

Explore origin & destination

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

SFO - San Francisco

Full on-time, delay-cause, and seasonal performance for San Francisco, CA.

SFO on-time profile

IND - Indianapolis

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

IND on-time profile

Compare the two airports

See SFO and IND side by side on delays, cancellations, and reliability.

Compare SFO vs IND

Origin-hub reliability standing

Mid-pack among SFO departures

From SFO, this corridor sits with 50 other 75–85% on-time routes out of 73 tracked departures, not the hub's reliability leaders (20 at ≥85%) and not the softest ( 3 below 75%). Destination: Indianapolis · fleet on-time rank #2284 of 4927.

What the Data Says About SFO to IND

Bureau of Transportation Statistics records show San Francisco to Indianapolis (SFO to IND) running a 82.2% on-time rate over 1,715 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 61.6 minutes. The 1,943-mile corridor is served by 1 carrier, and over the last 24 months 0.6% of 954 flights were cancelled, 0.5% diverted.

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 86% on-time, while Jul 2025 came in at just 67% - a 20-point swing worth factoring into travel timing.

On the multi-year calendar, SFO–IND peaks in October at 87.3% on-time while May carries the heaviest traffic (~38 flights per month) ; the softest month is July at 76.2%, 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 SFO to IND rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SFO to IND ranks #3995 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 SFO to IND? ▼
Flights from San Francisco to Indianapolis have a 82.2% on-time rate based on 1,715 flights. The average delay is 61.6 minutes. The best recent month was Apr 2025 with 86% on-time.
What is the cancellation rate for SFO to IND? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (6 of 954 flights) and 0.5% were diverted.
How far is the flight from SFO to IND? ▼
The flight distance from San Francisco (SFO) to Indianapolis (IND) is approximately 1,943 miles. This route is served by 1 carrier.
When is the best time to fly from SFO to IND? ▼
The best recent month for on-time performance was Apr 2025 (86% on-time). The worst was Jul 2025 (67% on-time). Consider booking during months with historically better performance.

Airports on this route

SFO Airport

San Francisco
IND Airport

Indianapolis
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 SFO–IND data

SFO–IND runs 3.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SFO and IND airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, October (87.3% on-time) beats July (76.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.2% 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.