PlainFlights

Route · MKE → ATL · 2020–2025 BTS data

Milwaukee to Atlanta

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MKE to ATL (Milwaukee to Atlanta) ranks #770 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

89.2%
On-time
+10.2 pts
vs US avg
76 min
Delay when late
13,271
Flights
#770 of 4927
Corpus placement

Cancelled

1.1%

Best Month

Oct 2024 96%

Worst Month

Jan 2024 71%

Distance

669 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 183 33 6 0 DL,F9
Nov 2025 176 22 3 2 DL
Oct 2025 201 12 0 0 DL
Sep 2025 187 9 0 0 DL
Aug 2025 198 17 2 1 DL
Jul 2025 199 22 1 2 DL
Jun 2025 196 26 6 2 DL
May 2025 197 23 1 0 DL
Apr 2025 173 19 2 2 DL,WN
Mar 2025 202 27 2 1 WN,DL
Feb 2025 171 22 0 0 WN,DL
Jan 2025 185 23 9 0 WN,DL
Dec 2024 196 37 0 1 DL,WN
Nov 2024 203 12 0 0 WN,DL
Oct 2024 222 9 0 0 WN,DL
Sep 2024 214 18 0 0 WN,DL
Aug 2024 226 14 2 1 DL,WN
Jul 2024 227 48 12 1 DL,WN
Jun 2024 212 24 0 0 DL,WN
May 2024 222 46 0 0 DL,WN
Apr 2024 202 22 0 0 DL,WN
Mar 2024 194 38 0 0 DL,WN
Feb 2024 169 18 0 0 DL,WN
Jan 2024 189 54 6 0 DL,WN

MKE–ATL seasonal on-time pattern

Best: October (94.9%) · weakest: January (82.4%)

80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 85.3%

Strongest calendar month

October

94.9% on-time · ~197 flights/mo

Busiest calendar month

August

~202 flights/mo avg

Weakest calendar month

January

82.4% on-time · ~185 flights/mo

Cancellation Rate

1.1%

52 of 4,744 flights

Diversion Rate

0.3%

13 of 4,744 flights

Origin-hub reliability standing

Among MKE's stronger departures

MKE → ATL posts a 89.2% on-time rate, landing in the ≥85% band with 9 of 27 BTS-tracked routes leaving Milwaukee. The same hub also shows 18 mid-band and 0 challenged departures · fleet-wide on-time rank #226 of 4927 (highest on-time = #1).

What the Data Says About MKE to ATL

Milwaukee to Atlanta (MKE to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.2% on-time rate across 13,271 flights, with delays that do happen averaging 76.0 minutes. The corridor runs roughly 669 miles and is served by 4 carriers. Over the most recent 24 months, 52 of 4,744 flights were cancelled (1.1%) and 13 diverted (0.3%).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 96% on-time, while Jan 2024 came in at just 71% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, MKE–ATL peaks in October at 94.9% on-time while August carries the heaviest traffic (~202 flights per month) ; the softest month is January at 82.4%, 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 MKE to ATL rank among US routes by traffic?
According to PlainFlights' route traffic ranking, MKE to ATL ranks #770 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 MKE to ATL?
Flights from Milwaukee to Atlanta have a 89.2% on-time rate based on 13,271 flights. The average delay is 76.0 minutes. The best recent month was Oct 2024 with 96% on-time.
What is the cancellation rate for MKE to ATL?
Over the last 24 months, 1.1% of flights on this route were cancelled (52 of 4,744 flights) and 0.3% were diverted.
How far is the flight from MKE to ATL?
The flight distance from Milwaukee (MKE) to Atlanta (ATL) is approximately 669 miles. This route is served by 4 carriers.
When is the best time to fly from MKE to ATL?
The best recent month for on-time performance was Oct 2024 (96% on-time). The worst was Jan 2024 (71% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using MKE–ATL data

MKE–ATL runs 10.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MKE and ATL airport profiles: delay causes and top routes differ even on the same corridor. MKE airport
  • If your dates flex, October (94.9% on-time) beats January (82.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 89.2% 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.