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Route · ATL → ILM · 2020–2025 BTS data

Atlanta to Wilmington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to ILM (Atlanta to Wilmington) ranks #1700 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

88.9%
On-time
+9.9 pts
vs US avg
69 min
Delay when late
7,446
Flights
#1700 of 4927
Corpus placement

Cancelled

0.7%

Best Month

Oct 2024 96%

Worst Month

May 2025 64%

Distance

377 mi

Carriers

12

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 95 24 0 0 DL
Nov 2025 110 17 2 0 DL
Oct 2025 116 14 0 0 DL
Sep 2025 114 12 0 0 DL
Aug 2025 118 19 0 0 DL
Jul 2025 119 28 2 0 DL
Jun 2025 104 32 4 0 DL
May 2025 66 24 0 0 DL
Apr 2025 61 8 0 0 DL
Mar 2025 51 11 0 0 OO,DL
Dec 2024 116 24 0 0 9E,DL
Nov 2024 107 12 0 0 9E,DL
Oct 2024 118 5 0 1 DL,9E
Sep 2024 118 16 0 1 9E,DL
Aug 2024 123 12 1 0 DL,9E
Jul 2024 122 31 8 1 9E,DL
Jun 2024 117 21 0 0 9E,DL
May 2024 107 17 1 0 9E,DL
Apr 2024 90 11 0 0 9E,DL
Mar 2024 93 9 0 0 9E,DL,OO
Feb 2024 87 5 0 0 9E,DL,OO
Jan 2024 94 11 0 0 9E,DL,OO
Dec 2023 95 8 0 0 DL,9E
Nov 2023 91 5 0 0 9E,DL

ATL–ILM seasonal on-time pattern

Best: October (94.7%) · weakest: July (82.2%)

80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 86.2%

Strongest calendar month

October

94.7% on-time · ~113 flights/mo

Busiest calendar month

July

~118 flights/mo avg

Weakest calendar month

July

82.2% on-time · ~118 flights/mo

Cancellation Rate

0.7%

18 of 2,432 flights

Diversion Rate

0.1%

3 of 2,432 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

ILM - Wilmington

Full on-time, delay-cause, and seasonal performance for Wilmington, NC.

ILM on-time profile

Compare the two airports

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

Compare ATL vs ILM

Origin-hub reliability standing

Among ATL's stronger departures

ATL → ILM posts a 88.9% 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 #260 of 4927 (highest on-time = #1).

What the Data Says About ATL to ILM

Atlanta to Wilmington (ATL to ILM) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.9% on-time rate across 7,446 flights, with delays that do happen averaging 68.7 minutes. The corridor runs roughly 377 miles and is served by 12 carriers. Over the most recent 24 months, 18 of 2,432 flights were cancelled (0.7%) and 3 diverted (0.1%).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 96% on-time, while May 2025 came in at just 64% - a 32-point swing worth factoring into travel timing.

On the multi-year calendar, ATL–ILM peaks in October at 94.7% on-time while July carries the heaviest traffic (~118 flights per month) ; the softest month is July at 82.2%, a 12.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ATL to ILM rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ATL to ILM ranks #1700 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 ILM? ▼
Flights from Atlanta to Wilmington have a 88.9% on-time rate based on 7,446 flights. The average delay is 68.7 minutes. The best recent month was Oct 2024 with 96% on-time.
What is the cancellation rate for ATL to ILM? ▼
Over the last 24 months, 0.7% of flights on this route were cancelled (18 of 2,432 flights) and 0.1% were diverted.
How far is the flight from ATL to ILM? ▼
The flight distance from Atlanta (ATL) to Wilmington (ILM) is approximately 377 miles. This route is served by 12 carriers.
When is the best time to fly from ATL to ILM? ▼
The best recent month for on-time performance was Oct 2024 (96% on-time). The worst was May 2025 (64% on-time). Consider booking during months with historically better performance.

Airports on this route

ATL Airport

Atlanta
ILM Airport

Wilmington
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–ILM data

ATL–ILM runs 9.9 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 ILM airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
  • If your dates flex, October (94.7% on-time) beats July (82.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 88.9% 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.