Flight number record
AA 2391
American Airlines · Phoenix to Atlanta
- Route
- PHX → ATL
- Departs
- 16:10
- Flights
- 279
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s AA 2391, check with American Airlines.
AA 2391 sits in the middle of the pack with a C+. About seven flights in ten arrive on time by the DOT's definition, 7 points worse than the national rate of 77.3%. The late ones land a little over an hour behind schedule. That rests on 279 flights, with a median arrival 4 minutes early.
The national on-time rate over the same period is 77.3%, so AA 2391 runs 7 points behind the country as a whole. Across a thousand flights that is about 73 extra late arrivals.
Key figures
On time
70.0%
Arrivals under 15 minutes late, of 277 completed flights
Avg delay
79 min
Across delayed arrivals only, not all flights
Cancelled
0.72%
National rate is 1.89%
1 hour+ late
10.1%
National rate is 8.3%
These figures cover 279 flights between September 2025 and August 2026. Beyond the headline rate, 10.1% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Schedule
When AA 2391 flies
AA 2391 flies PHX to ATL without a single fixed slot. Its most common scheduled departure was 16:10, used on 36 of 279 flights, with 16:11 (33 flights) and 16:39 (31 flights) next.
- Departs 16:1036 flights12.9%
- Departs 16:1133 flights11.8%
- Departs 16:3931 flights11.1%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 16:10 departure sits in the 2pm–5pm window. Across every US flight scheduled in that window the on-time rate is 71.9%, and AA 2391 runs level with that at 70.0%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.
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Against the route
AA 2391 next to PHX to ATL
Every carrier on PHX to ATL combined arrived on time 80.7% of the time across 3,696 flights, so AA 2391 is 11 points behind it. American flew 608 flights on the same city pair under all its flight numbers, including this one, and those ran 71.8% on time. Across its whole network American Airlines managed 74.7%, which this flight trails by 5 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| AA 2391thin sample | 279 | 70.0% | 79 min | 0.72% | C+ |
| All American Airlines on PHX–ATL | 608 | 71.8% | 66 min | 0.49% | C+ |
| All carriers on PHX–ATL | 3,696 | 80.7% | 78 min | 0.87% | B+ |
| American Airlines, whole network | 988,892 | 74.7% | 85 min | 2.14% | C |
Across the year
AA 2391 quarter by quarter
AA 2391 did not run the same all year. Its best quarter was Jan–Mar 2026 at 82.7% on time and its weakest Jul–Sep 2026 at 42.1%, a swing of 41 points on roughly 70 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202512 flights—
- Oct–Dec 202569 flights69.6%
- Jan–Mar 202683 flights82.7%
- Apr–Jun 202677 flights70.1%
- Jul–Sep 202638 flights42.1%
Scale runs 35% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, AA 2391 ranged from 66.7% on Sunday to 75.0% on Monday. With about 40 flights behind each day, a spread of 8 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late AA 2391 runs when it is late
The 83 late arrivals split 30 under half an hour, 25 between 30 and 60 minutes, and 28 an hour or more.
- 15+ min early62 flights22.4%
- Within 15 min132 flights47.7%
- 15–29 min late30 flights10.8%
- 30–59 min late25 flights9.0%
- 1–2 hours late14 flights5.1%
- 2+ hours late14 flights5.1%
Scale runs 0% to 100%.
Share of 277 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 79 departures that left 15 minutes late or more, only 7 made it up before arrival. 11 flights left on time and still arrived late.
The worst days
Worst days for AA 2391
The latest arrival of the period was on 25 July 2026, 13 hours 56 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). On four of the five worst days the largest share was filed as a late-arriving aircraft.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 25 July 2026 | 13 hours 56 minutes | Carrier |
| 6 November 2025 | 6 hours 16 minutes | Late-arriving aircraft |
| 30 November 2025 | 4 hours 33 minutes | Late-arriving aircraft |
| 30 January 2026 | 4 hours 16 minutes | Late-arriving aircraft |
| 13 October 2025 | 4 hours 2 minutes | Late-arriving aircraft |
Delay causes
Why AA 2391 runs late
Late-arriving aircraft accounts for 53% of the 6,531 delay minutes carriers reported here, and the remaining four split what is left.
- 53%Late-arriving aircraft
- 35%Carrier
- 12%National Airspace System
53% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 6,531 reported delay minutes here, that single category outweighs weather by 53 to one. The split is drawn from 6,531 delay minutes reported on AA 2391.
Cancellations are rare at 0.72%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and routes
What a delay on this flight costs
10.1% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
At 1,587 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.
The same number turns up on four other city pairs in the data, including PHL to ORD (6), ORD to PHL (4) and MEM to PHX (1), but none flew often enough under AA 2391 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to PHX to ATL only.
One caution: this is a thin sample. 279 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking AA 2391
For a booking, AA 2391 is one of the weaker ways to fly PHX to ATL: 11 points below the route as a whole. If the schedule allows, compare it with the other departures listed on the route page before settling on this one.
Related
Where to go next
- PHX to ATL, every carrier and departure
- ATL to PHX, the return direction
- Delta Air Lines 918 on the same route94.7%
- Delta Air Lines 929 on the same route83.9%
- Delta Air Lines 901 on the same route89.4%
- Delta Air Lines 796 on the same route78.5%
- Delta Air Lines 348 on the same route82.0%
- Phoenix Sky Harbor International (PHX) delay statistics
- Hartsfield-Jackson Atlanta International (ATL) delay statistics
- American Airlines on-time record
- Every American Airlines flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
A flight number here means American Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.