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Route · MCI → PHL · 2020–2025 BTS data

Kansas City to Philadelphia

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MCI to PHL (Kansas City to Philadelphia) ranks #3018 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.5%
On-time
+3.5 pts
vs US avg
110 min
Delay when late
3,732
Flights
#3018 of 4927
Corpus placement

Cancelled

2.3%

Best Month

Oct 2024 86%

Worst Month

Jun 2025 66%

Distance

1,038 mi

Carriers

18

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 59 17 5 0 YX,OH,AA
Nov 2025 58 12 0 0 OH,AA
Oct 2025 83 18 0 0 AA
Sep 2025 78 17 0 0 AA
Aug 2025 90 18 5 0 AA,OH
Jul 2025 89 30 5 1 AA,OH
Jun 2025 90 31 5 1 AA,OH
May 2025 87 22 4 2 AA,OH,YX
Apr 2025 48 4 0 0 OH
Mar 2025 31 7 1 0 OH
Dec 2024 50 15 0 0 AA,OH,YX
Nov 2024 63 11 0 0 YX,OH,AA
Oct 2024 105 15 0 1 YX,AA,OH
Sep 2024 95 17 0 0 YX,AA
Aug 2024 115 36 3 2 AA,YX
Jul 2024 122 34 4 1 AA,YX
Jun 2024 120 30 4 0 AA,F9,OH
May 2024 62 13 0 0 AA,F9,OH
Apr 2024 30 2 0 0 AA,YX
Mar 2024 30 1 0 0 AA,YX
Feb 2024 30 7 0 0 AA
Jan 2024 31 10 1 0 AA
Dec 2023 32 7 0 0 OH,AA
Oct 2023 35 4 0 0 AA,OH

MCI–PHL seasonal on-time pattern

Best: April (89.3%) · weakest: August (76.6%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81.8%

Strongest calendar month

April

89.3% on-time · ~45 flights/mo

Busiest calendar month

June

~84 flights/mo avg

Weakest calendar month

August

76.6% on-time · ~76 flights/mo

Cancellation Rate

2.3%

37 of 1,633 flights

Diversion Rate

0.5%

8 of 1,633 flights

Explore origin & destination

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

MCI - Kansas City

Full on-time, delay-cause, and seasonal performance for Kansas City, MO.

MCI on-time profile

PHL - Philadelphia

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

PHL on-time profile

Compare the two airports

See MCI and PHL side by side on delays, cancellations, and reliability.

Compare MCI vs PHL

Origin-hub reliability standing

Mid-pack among MCI departures

From MCI, this corridor sits with 25 other 75–85% on-time routes out of 39 tracked departures, not the hub's reliability leaders (14 at ≥85%) and not the softest ( 0 below 75%). Destination: Philadelphia · fleet on-time rank #2150 of 4927.

What the Data Says About MCI to PHL

Bureau of Transportation Statistics records show Kansas City to Philadelphia (MCI to PHL) running a 82.5% on-time rate over 3,732 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 109.7 minutes. The 1,038-mile corridor is served by 18 carriers, and over the last 24 months 2.3% of 1,633 flights were cancelled, 0.5% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 86% on-time, while Jun 2025 came in at just 66% - a 20-point swing worth factoring into travel timing.

On the multi-year calendar, MCI–PHL peaks in April at 89.3% on-time while June carries the heaviest traffic (~84 flights per month) ; the softest month is August at 76.6%, 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 MCI to PHL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MCI to PHL ranks #3018 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 MCI to PHL? ▼
Flights from Kansas City to Philadelphia have a 82.5% on-time rate based on 3,732 flights. The average delay is 109.7 minutes. The best recent month was Oct 2024 with 86% on-time.
What is the cancellation rate for MCI to PHL? ▼
Over the last 24 months, 2.3% of flights on this route were cancelled (37 of 1,633 flights) and 0.5% were diverted.
How far is the flight from MCI to PHL? ▼
The flight distance from Kansas City (MCI) to Philadelphia (PHL) is approximately 1,038 miles. This route is served by 18 carriers.
When is the best time to fly from MCI to PHL? ▼
The best recent month for on-time performance was Oct 2024 (86% on-time). The worst was Jun 2025 (66% on-time). Consider booking during months with historically better performance.

Airports on this route

MCI Airport

Kansas City
PHL Airport

Philadelphia
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 MCI–PHL data

MCI–PHL runs 3.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MCI and PHL airport profiles: delay causes and top routes differ even on the same corridor. MCI airport
  • If your dates flex, April (89.3% on-time) beats August (76.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.5% 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.