Route
BWI → PHX
Baltimore/Washington International Thurgood Marshall Airport Phoenix Sky Harbor International Airport
How punctual is this route?
- On-time arrivals
- 76.4%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,218
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 41%
- Late-arriving aircraft 36%
- Air traffic control & airport 20%
- Extreme weather 2%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.5% | 103 |
| October 2025 | 84.9% | 119 |
| November 2025 | 81.6% | 104 |
| December 2025 | 73.6% | 106 |
| January 2026 | 88.2% | 96 |
| February 2026 | 77.7% | 96 |
| March 2026 | 73.0% | 113 |
| April 2026 | 71.2% | 118 |
| May 2026 | 75.6% | 123 |
| June 2026 | 62.1% | 89 |
| July 2026 | 83.9% | 62 |
| August 2026 | 68.2% | 89 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 1,218 | 76.4% | 1.1% | 53 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1049
15% late · 60 flights
-
WN1050
41% late · 52 flights
-
WN2057
15% late · 47 flights
-
WN1810
11% late · 45 flights
-
WN582
18% late · 45 flights
-
WN320
18% late · 41 flights
-
WN1560
28% late · 39 flights
-
WN3581
32% late · 34 flights
-
WN3538
55% late · 33 flights
-
WN1197
35% late · 31 flights
-
WN1280
23% late · 31 flights
-
WN2262
32% late · 31 flights
-
WN3028
0% late · 31 flights
-
WN1051
45% late · 30 flights
-
WN1040
26% late · 28 flights
-
WN1445
43% late · 28 flights
-
WN1491
14% late · 28 flights
-
WN1679
11% late · 28 flights
-
WN3070
18% late · 28 flights
-
WN2565
7% late · 27 flights
-
WN1252
17% late · 24 flights
-
WN1257
17% late · 24 flights
-
WN2496
17% late · 24 flights
-
WN1874
13% late · 23 flights
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