PlainFlights

Route · PHX → MDW · 2020–2025 BTS data

Phoenix to Chicago

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHX to MDW (Phoenix to Chicago) ranks #519 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.4%
On-time
+0.4 pts
vs US avg
54 min
Delay when late
16,461
Flights
#519 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Nov 2024 90%

Worst Month

Jun 2025 73%

Distance

1,444 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 242 58 1 1 WN,F9
Nov 2025 223 56 10 1 F9,WN
Oct 2025 266 48 0 1 WN,F9
Sep 2025 204 32 2 0 WN,F9
Aug 2025 212 48 1 1 WN,F9
Jul 2025 252 63 1 3 WN,F9
Jun 2025 241 66 3 1 WN,F9
May 2025 243 49 0 2 WN,F9
Apr 2025 271 46 1 0 F9,WN
Mar 2025 284 63 3 1 WN,F9
Feb 2025 192 24 1 0 WN,F9
Jan 2025 210 30 0 1 WN,F9
Dec 2024 244 45 0 0 F9,WN
Nov 2024 230 24 1 2 WN,F9
Oct 2024 280 56 0 0 WN,F9
Sep 2024 255 32 0 2 WN,F9
Aug 2024 250 57 1 0 F9,WN
Jul 2024 271 65 2 3 F9,WN
Jun 2024 263 67 1 2 F9,WN
May 2024 298 79 2 6 F9,WN
Apr 2024 303 63 0 1 F9,WN
Mar 2024 291 58 1 0 F9,WN
Feb 2024 190 33 0 0 F9,WN
Jan 2024 217 31 18 2 F9,WN

PHX–MDW seasonal on-time pattern

Best: February (86.4%) · weakest: June (72.1%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 79.5%

Strongest calendar month

February

86.4% on-time · ~174 flights/mo

Busiest calendar month

March

~257 flights/mo avg

Weakest calendar month

June

72.1% on-time · ~235 flights/mo

Cancellation Rate

0.8%

49 of 5,932 flights

Diversion Rate

0.5%

30 of 5,932 flights

Origin-hub reliability standing

Mid-pack among PHX departures

From PHX, this corridor sits with 71 other 75–85% on-time routes out of 97 tracked departures, not the hub's reliability leaders (25 at ≥85%) and not the softest ( 1 below 75%). Destination: Chicago · fleet on-time rank #3386 of 4927.

What the Data Says About PHX to MDW

16,461 tracked flights put the PHX to MDW pairing (Phoenix to Chicago) at a 79.4% on-time rate, squarely in line with the wider network. Delays that do occur run 53.9 minutes on average. Across the 1,444-mile route and its 3 carriers, the trailing 24 months show 0.8% cancelled and 0.5% diverted (5,932 flights sampled).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 90% on-time, while Jun 2025 came in at just 73% - a 17-point swing worth factoring into travel timing.

On the multi-year calendar, PHX–MDW peaks in February at 86.4% on-time while March carries the heaviest traffic (~257 flights per month) ; the softest month is June at 72.1%, a 14.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PHX to MDW rank among US routes by traffic?
According to PlainFlights' route traffic ranking, PHX to MDW ranks #519 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 PHX to MDW?
Flights from Phoenix to Chicago have a 79.4% on-time rate based on 16,461 flights. The average delay is 53.9 minutes. The best recent month was Nov 2024 with 90% on-time.
What is the cancellation rate for PHX to MDW?
Over the last 24 months, 0.8% of flights on this route were cancelled (49 of 5,932 flights) and 0.5% were diverted.
How far is the flight from PHX to MDW?
The flight distance from Phoenix (PHX) to Chicago (MDW) is approximately 1,444 miles. This route is served by 3 carriers.
When is the best time to fly from PHX to MDW?
The best recent month for on-time performance was Nov 2024 (90% on-time). The worst was Jun 2025 (73% 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 PHX–MDW data

PHX–MDW is mid-pack at 79.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare PHX and MDW airport profiles: delay causes and top routes differ even on the same corridor. PHX airport
  • If your dates flex, February (86.4% on-time) beats June (72.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.4% 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.