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Route · BWI → PHX · 2020–2025 BTS data

Baltimore to Phoenix

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BWI to PHX (Baltimore to Phoenix) ranks #1942 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

75.8%
On-time
-3.2 pts
vs US avg
58 min
Delay when late
6,438
Flights
#1942 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Oct 2024 90%

Worst Month

Jul 2024 48%

Distance

1,999 mi

Carriers

5

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 106 28 0 0 WN
Nov 2025 104 19 1 0 WN
Oct 2025 119 18 0 0 WN
Sep 2025 103 23 0 1 WN
Aug 2025 105 22 1 0 WN
Jul 2025 115 36 3 1 WN
Jun 2025 110 28 0 0 WN
May 2025 109 22 1 0 WN
Apr 2025 111 29 0 0 WN
Mar 2025 125 25 0 0 WN
Feb 2025 102 20 0 2 WN
Jan 2025 96 13 3 0 WN
Dec 2024 105 17 0 0 WN
Nov 2024 104 13 0 0 WN
Oct 2024 113 11 0 0 WN
Sep 2024 103 18 0 0 WN
Aug 2024 104 31 3 0 WN
Jul 2024 93 48 0 1 WN
Jun 2024 90 36 0 0 WN
May 2024 84 31 0 1 WN
Apr 2024 83 32 0 0 WN
Mar 2024 90 23 0 0 WN
Feb 2024 75 11 0 0 WN
Jan 2024 84 23 2 0 F9,WN

BWI–PHX seasonal on-time pattern

Best: November (85.3%) · weakest: July (70.2%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 73.3%

Strongest calendar month

November

85.3% on-time · ~86 flights/mo

Busiest calendar month

October

~98 flights/mo avg

Weakest calendar month

July

70.2% on-time · ~97 flights/mo

Cancellation Rate

0.6%

14 of 2,433 flights

Diversion Rate

0.2%

6 of 2,433 flights

Explore origin & destination

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

BWI - Baltimore

Full on-time, delay-cause, and seasonal performance for Baltimore, MD.

BWI on-time profile

PHX - Phoenix

Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.

PHX on-time profile

Compare the two airports

See BWI and PHX side by side on delays, cancellations, and reliability.

Compare BWI vs PHX

Origin-hub reliability standing

Mid-pack among BWI departures

From BWI, this corridor sits with 53 other 75–85% on-time routes out of 64 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 11 below 75%). Destination: Phoenix · fleet on-time rank #4339 of 4927.

What the Data Says About BWI to PHX

The Baltimore to Phoenix corridor (BWI to PHX) posts a 75.8% on-time rate on the lower edge of the average band, based on 6,438 tracked flights. Late flights run 57.5 minutes behind on average. 5 carriers cover the 1,999-mile route; over the last 24 months, 14 of 2,433 flights were cancelled (0.6%) and 0.2% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 90% on-time, while Jul 2024 came in at just 48% - a 42-point swing worth factoring into travel timing.

On the multi-year calendar, BWI–PHX peaks in November at 85.3% on-time while October carries the heaviest traffic (~98 flights per month) ; the softest month is July at 70.2%, a 15.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BWI to PHX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BWI to PHX ranks #1942 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 BWI to PHX? ▼
Flights from Baltimore to Phoenix have a 75.8% on-time rate based on 6,438 flights. The average delay is 57.5 minutes. The best recent month was Oct 2024 with 90% on-time.
What is the cancellation rate for BWI to PHX? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (14 of 2,433 flights) and 0.2% were diverted.
How far is the flight from BWI to PHX? ▼
The flight distance from Baltimore (BWI) to Phoenix (PHX) is approximately 1,999 miles. This route is served by 5 carriers.
When is the best time to fly from BWI to PHX? ▼
The best recent month for on-time performance was Oct 2024 (90% on-time). The worst was Jul 2024 (48% on-time). Consider booking during months with historically better performance.

Airports on this route

BWI Airport

Baltimore
PHX Airport

Phoenix
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 BWI–PHX data

BWI–PHX is mid-pack at 75.8% on-time; month and carrier mix move more than the corridor headline.

  • Compare BWI and PHX airport profiles: delay causes and top routes differ even on the same corridor. BWI airport
  • If your dates flex, November (85.3% on-time) beats July (70.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 75.8% 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.