Route · BOS → PHX · 2020–2025 BTS data
Boston to Phoenix
The BOS–PHX corridor (Boston, MA → Phoenix, AZ) runs ahead of the national average, served by 9 carriers across roughly 2,300 miles.
Data updated 2026-06-13
- 81.4%
- On-time
- +2.4 pts
- vs US avg
- 79 min
- Delay when late
- 9,928
- Flights
Cancelled
0.5%
Best Month
Feb 2024 92%
Worst Month
Jun 2024 59%
Distance
2,300 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 179 | 54 | 1 | 0 | B6,DL,AA |
| Nov 2025 | 158 | 32 | 2 | 0 | AA,B6,DL |
| Oct 2025 | 166 | 44 | 0 | 1 | AA,B6,DL |
| Sep 2025 | 132 | 31 | 1 | 2 | DL,AA |
| Aug 2025 | 137 | 24 | 0 | 2 | AA,DL |
| Jul 2025 | 160 | 49 | 5 | 0 | AA,B6,DL |
| Jun 2025 | 179 | 44 | 2 | 0 | AA,B6,DL |
| May 2025 | 183 | 43 | 0 | 1 | AA,B6,DL |
| Apr 2025 | 187 | 44 | 0 | 1 | DL,AA,B6 |
| Mar 2025 | 212 | 28 | 0 | 0 | AA,B6,DL |
| Feb 2025 | 184 | 64 | 1 | 0 | AA,B6,DL |
| Jan 2025 | 198 | 34 | 0 | 1 | AA,B6,DL |
| Dec 2024 | 209 | 34 | 2 | 1 | AA,B6,DL |
| Nov 2024 | 191 | 33 | 0 | 1 | B6,DL,AA |
| Oct 2024 | 184 | 21 | 0 | 0 | DL,B6,AA |
| Sep 2024 | 167 | 19 | 0 | 0 | AA,B6,DL |
| Aug 2024 | 172 | 48 | 1 | 1 | AA,B6,DL |
| Jul 2024 | 159 | 43 | 5 | 3 | AA,B6,DL |
| Jun 2024 | 158 | 65 | 0 | 0 | AA,B6,DL |
| May 2024 | 186 | 47 | 0 | 0 | AA,B6,DL |
| Apr 2024 | 177 | 34 | 0 | 1 | AA,B6,DL |
| Mar 2024 | 194 | 27 | 0 | 0 | AA,B6,DL |
| Feb 2024 | 172 | 14 | 0 | 0 | AA,B6,DL |
| Jan 2024 | 181 | 29 | 1 | 0 | AA,B6,DL |
Cancellation Rate
0.5%
21 of 4,225 flights
Diversion Rate
0.4%
15 of 4,225 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOS - Boston
Full on-time, delay-cause, and seasonal performance for Boston, MA.
Origin airport →PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
Destination airport →Compare the two airports
See BOS and PHX side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOS–PHX.
Routes with a similar on-time rate
What the Data Says About BOS to PHX
9,928 tracked flights put the BOS to PHX pairing (Boston to Phoenix) at a 81.4% on-time rate, squarely in line with the wider network. Delays that do occur run 79.1 minutes on average. Across the 2,300-mile route and its 9 carriers, the trailing 24 months show 0.5% cancelled and 0.4% diverted (4,225 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 92% on-time, while Jun 2024 came in at just 59% - a 33-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.