PHX to MDW flight delays & on-time performance
Nonstop flights from Phoenix Sky Harbor International Airport to Chicago Midway International Airport · 1,444 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHX or MDW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Phoenix (PHX) to Chicago (MDW) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.1% were cancelled, and 7% arrived an hour or more late.
- Departures scheduled around 5am did best (92% on time); around 7pm did worst (50%).
- Wednesday was the most reliable day to fly (76% on time) and Monday the least (68%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from PHX to MDW?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 72% | 1.1% | 15 min | 6.9% | 2,639 |
| Frontier Airlines | 67% | 1.7% | 28 min | 12.1% | 118 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am92%239 flights
- 6am91%175 flights
- 7am87%205 flights
- 8am84%224 flights
- 9am77%82 flights
- 10am77%179 flights
- 11am74%158 flights
- 12pm63%175 flights
- 1pm74%82 flights
- 2pm65%200 flights
- 3pm61%191 flights
- 4pm55%149 flights
- 5pm57%177 flights
- 6pm58%232 flights
- 7pm50%114 flights
- 8pm57%60 flights
- 11pm77%114 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday68%1.4% cancelled
- Tuesday70%0.3% cancelled
- Wednesday76%0.3% cancelled
- Thursday73%1.4% cancelled
- Friday73%1.6% cancelled
- Saturday73%1.6% cancelled
- Sunday69%1.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft43%
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion13%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather77%
- Airline (crew, maintenance, cleaning, fueling)16%
- Air traffic control & airport congestion6%
- Security0%
PHX to MDW: common questions
- How often are PHX to MDW flights on time?
- 72% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Phoenix to Chicago cancelled?
- 1.1% of scheduled flights were cancelled (31 of 2,757).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 50 min behind schedule on average, and 7.1% of flights were an hour or more late.
- How long is taxi time at PHX?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MDW to PHX — 76% on time
More flights from Phoenix
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHX → MDW, nonstop flights by US airlines that report to the DOT. How we calculate this.